diff --git a/completions/_dust b/completions/_dust
index 48e608db..2fb2dede 100644
--- a/completions/_dust
+++ b/completions/_dust
@@ -14,15 +14,16 @@ _dust() {
     fi
 
     local context curcontext="$curcontext" state line
-    _arguments "${_arguments_options[@]}" \
+    _arguments "${_arguments_options[@]}" : \
 '-d+[Depth to show]:DEPTH: ' \
 '--depth=[Depth to show]:DEPTH: ' \
 '-T+[Number of threads to use]: : ' \
 '--threads=[Number of threads to use]: : ' \
+'--config=[Specify a config file to use]:FILE:_files' \
 '-n+[Number of lines of output to show. (Default is terminal_height - 10)]:NUMBER: ' \
 '--number-of-lines=[Number of lines of output to show. (Default is terminal_height - 10)]:NUMBER: ' \
-'*-X+[Exclude any file or directory with this name]:PATH:_files' \
-'*--ignore-directory=[Exclude any file or directory with this name]:PATH:_files' \
+'*-X+[Exclude any file or directory with this path]:PATH:_files' \
+'*--ignore-directory=[Exclude any file or directory with this path]:PATH:_files' \
 '-I+[Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter]:FILE:_files' \
 '--ignore-all-in-file=[Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter]:FILE:_files' \
 '-z+[Minimum size file to include in output]:MIN_SIZE: ' \
diff --git a/completions/_dust.ps1 b/completions/_dust.ps1
index 0432af17..edca87a3 100644
--- a/completions/_dust.ps1
+++ b/completions/_dust.ps1
@@ -25,10 +25,11 @@ Register-ArgumentCompleter -Native -CommandName 'dust' -ScriptBlock {
             [CompletionResult]::new('--depth', 'depth', [CompletionResultType]::ParameterName, 'Depth to show')
             [CompletionResult]::new('-T', 'T ', [CompletionResultType]::ParameterName, 'Number of threads to use')
             [CompletionResult]::new('--threads', 'threads', [CompletionResultType]::ParameterName, 'Number of threads to use')
+            [CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'Specify a config file to use')
             [CompletionResult]::new('-n', 'n', [CompletionResultType]::ParameterName, 'Number of lines of output to show. (Default is terminal_height - 10)')
             [CompletionResult]::new('--number-of-lines', 'number-of-lines', [CompletionResultType]::ParameterName, 'Number of lines of output to show. (Default is terminal_height - 10)')
-            [CompletionResult]::new('-X', 'X ', [CompletionResultType]::ParameterName, 'Exclude any file or directory with this name')
-            [CompletionResult]::new('--ignore-directory', 'ignore-directory', [CompletionResultType]::ParameterName, 'Exclude any file or directory with this name')
+            [CompletionResult]::new('-X', 'X ', [CompletionResultType]::ParameterName, 'Exclude any file or directory with this path')
+            [CompletionResult]::new('--ignore-directory', 'ignore-directory', [CompletionResultType]::ParameterName, 'Exclude any file or directory with this path')
             [CompletionResult]::new('-I', 'I ', [CompletionResultType]::ParameterName, 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter')
             [CompletionResult]::new('--ignore-all-in-file', 'ignore-all-in-file', [CompletionResultType]::ParameterName, 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter')
             [CompletionResult]::new('-z', 'z', [CompletionResultType]::ParameterName, 'Minimum size file to include in output')
diff --git a/completions/dust.bash b/completions/dust.bash
index a0babd24..9b0b365f 100644
--- a/completions/dust.bash
+++ b/completions/dust.bash
@@ -19,7 +19,7 @@ _dust() {
 
     case "${cmd}" in
         dust)
-            opts="-d -T -n -p -X -I -L -x -s -r -c -C -b -B -z -R -f -i -v -e -t -w -P -D -F -o -S -j -M -A -y -m -h -V --depth --threads --number-of-lines --full-paths --ignore-directory --ignore-all-in-file --dereference-links --limit-filesystem --apparent-size --reverse --no-colors --force-colors --no-percent-bars --bars-on-right --min-size --screen-reader --skip-total --filecount --ignore_hidden --invert-filter --filter --file_types --terminal_width --no-progress --print-errors --only-dir --only-file --output-format --stack-size --output-json --mtime --atime --ctime --files0-from --filetime --help --version [PATH]..."
+            opts="-d -T -n -p -X -I -L -x -s -r -c -C -b -B -z -R -f -i -v -e -t -w -P -D -F -o -S -j -M -A -y -m -h -V --depth --threads --config --number-of-lines --full-paths --ignore-directory --ignore-all-in-file --dereference-links --limit-filesystem --apparent-size --reverse --no-colors --force-colors --no-percent-bars --bars-on-right --min-size --screen-reader --skip-total --filecount --ignore_hidden --invert-filter --filter --file_types --terminal_width --no-progress --print-errors --only-dir --only-file --output-format --stack-size --output-json --mtime --atime --ctime --files0-from --filetime --help --version [PATH]..."
             if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
                 COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                 return 0
@@ -41,6 +41,21 @@ _dust() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --config)
+                    local oldifs
+                    if [ -n "${IFS+x}" ]; then
+                        oldifs="$IFS"
+                    fi
+                    IFS=$'\n'
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    if [ -n "${oldifs+x}" ]; then
+                        IFS="$oldifs"
+                    fi
+                    if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
+                        compopt -o filenames
+                    fi
+                    return 0
+                    ;;
                 --number-of-lines)
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
@@ -59,12 +74,12 @@ _dust() {
                     ;;
                 --ignore-all-in-file)
                     local oldifs
-                    if [[ -v IFS ]]; then
+                    if [ -n "${IFS+x}" ]; then
                         oldifs="$IFS"
                     fi
                     IFS=$'\n'
                     COMPREPLY=($(compgen -f "${cur}"))
-                    if [[ -v oldifs ]]; then
+                    if [ -n "${oldifs+x}" ]; then
                         IFS="$oldifs"
                     fi
                     if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
@@ -74,12 +89,12 @@ _dust() {
                     ;;
                 -I)
                     local oldifs
-                    if [[ -v IFS ]]; then
+                    if [ -n "${IFS+x}" ]; then
                         oldifs="$IFS"
                     fi
                     IFS=$'\n'
                     COMPREPLY=($(compgen -f "${cur}"))
-                    if [[ -v oldifs ]]; then
+                    if [ -n "${oldifs+x}" ]; then
                         IFS="$oldifs"
                     fi
                     if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then
diff --git a/completions/dust.elv b/completions/dust.elv
index fa62ef7a..5ba01abd 100644
--- a/completions/dust.elv
+++ b/completions/dust.elv
@@ -22,10 +22,11 @@ set edit:completion:arg-completer[dust] = {|@words|
             cand --depth 'Depth to show'
             cand -T 'Number of threads to use'
             cand --threads 'Number of threads to use'
+            cand --config 'Specify a config file to use'
             cand -n 'Number of lines of output to show. (Default is terminal_height - 10)'
             cand --number-of-lines 'Number of lines of output to show. (Default is terminal_height - 10)'
-            cand -X 'Exclude any file or directory with this name'
-            cand --ignore-directory 'Exclude any file or directory with this name'
+            cand -X 'Exclude any file or directory with this path'
+            cand --ignore-directory 'Exclude any file or directory with this path'
             cand -I 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter'
             cand --ignore-all-in-file 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter'
             cand -z 'Minimum size file to include in output'
diff --git a/completions/dust.fish b/completions/dust.fish
index ff6fd611..4e733c68 100644
--- a/completions/dust.fish
+++ b/completions/dust.fish
@@ -1,19 +1,20 @@
 complete -c dust -s d -l depth -d 'Depth to show' -r
 complete -c dust -s T -l threads -d 'Number of threads to use' -r
+complete -c dust -l config -d 'Specify a config file to use' -r -F
 complete -c dust -s n -l number-of-lines -d 'Number of lines of output to show. (Default is terminal_height - 10)' -r
-complete -c dust -s X -l ignore-directory -d 'Exclude any file or directory with this name' -r -F
+complete -c dust -s X -l ignore-directory -d 'Exclude any file or directory with this path' -r -F
 complete -c dust -s I -l ignore-all-in-file -d 'Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by --invert_filter' -r -F
 complete -c dust -s z -l min-size -d 'Minimum size file to include in output' -r
 complete -c dust -s v -l invert-filter -d 'Exclude filepaths matching this regex. To ignore png files type: -v "\\.png$" ' -r
 complete -c dust -s e -l filter -d 'Only include filepaths matching this regex. For png files type: -e "\\.png$" ' -r
 complete -c dust -s w -l terminal_width -d 'Specify width of output overriding the auto detection of terminal width' -r
-complete -c dust -s o -l output-format -d 'Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.' -r -f -a "{si	'',b	'',k	'',m	'',g	'',t	'',kb	'',mb	'',gb	'',tb	''}"
+complete -c dust -s o -l output-format -d 'Changes output display size. si will print sizes in powers of 1000. b k m g t kb mb gb tb will print the whole tree in that size.' -r -f -a "{si\t'',b\t'',k\t'',m\t'',g\t'',t\t'',kb\t'',mb\t'',gb\t'',tb\t''}"
 complete -c dust -s S -l stack-size -d 'Specify memory to use as stack size - use if you see: \'fatal runtime error: stack overflow\' (default low memory=1048576, high memory=1073741824)' -r
 complete -c dust -s M -l mtime -d '+/-n matches files modified more/less than n days ago , and n matches files modified exactly n days ago, days are rounded down.That is +n => (−∞, curr−(n+1)), n => [curr−(n+1), curr−n), and -n => (𝑐𝑢𝑟𝑟−𝑛, +∞)' -r
 complete -c dust -s A -l atime -d 'just like -mtime, but based on file access time' -r
 complete -c dust -s y -l ctime -d 'just like -mtime, but based on file change time' -r
 complete -c dust -l files0-from -d 'run dust on NUL-terminated file names specified in file; if argument is -, then read names from standard input' -r -F
-complete -c dust -s m -l filetime -d 'Directory \'size\' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified time' -r -f -a "{a	'',c	'',m	''}"
+complete -c dust -s m -l filetime -d 'Directory \'size\' is max filetime of child files instead of disk size. while a/c/m for last accessed/changed/modified time' -r -f -a "{a\t'',c\t'',m\t''}"
 complete -c dust -s p -l full-paths -d 'Subdirectories will not have their path shortened'
 complete -c dust -s L -l dereference-links -d 'dereference sym links - Treat sym links as directories and go into them'
 complete -c dust -s x -l limit-filesystem -d 'Only count the files and directories on the same filesystem as the supplied directory'
diff --git a/man-page/dust.1 b/man-page/dust.1
index 5ceebdde..f67c8c83 100644
--- a/man-page/dust.1
+++ b/man-page/dust.1
@@ -4,7 +4,7 @@
 .SH NAME
 Dust \- Like du but more intuitive
 .SH SYNOPSIS
-\fBdust\fR [\fB\-d\fR|\fB\-\-depth\fR] [\fB\-T\fR|\fB\-\-threads\fR] [\fB\-n\fR|\fB\-\-number\-of\-lines\fR] [\fB\-p\fR|\fB\-\-full\-paths\fR] [\fB\-X\fR|\fB\-\-ignore\-directory\fR] [\fB\-I\fR|\fB\-\-ignore\-all\-in\-file\fR] [\fB\-L\fR|\fB\-\-dereference\-links\fR] [\fB\-x\fR|\fB\-\-limit\-filesystem\fR] [\fB\-s\fR|\fB\-\-apparent\-size\fR] [\fB\-r\fR|\fB\-\-reverse\fR] [\fB\-c\fR|\fB\-\-no\-colors\fR] [\fB\-C\fR|\fB\-\-force\-colors\fR] [\fB\-b\fR|\fB\-\-no\-percent\-bars\fR] [\fB\-B\fR|\fB\-\-bars\-on\-right\fR] [\fB\-z\fR|\fB\-\-min\-size\fR] [\fB\-R\fR|\fB\-\-screen\-reader\fR] [\fB\-\-skip\-total\fR] [\fB\-f\fR|\fB\-\-filecount\fR] [\fB\-i\fR|\fB\-\-ignore_hidden\fR] [\fB\-v\fR|\fB\-\-invert\-filter\fR] [\fB\-e\fR|\fB\-\-filter\fR] [\fB\-t\fR|\fB\-\-file_types\fR] [\fB\-w\fR|\fB\-\-terminal_width\fR] [\fB\-P\fR|\fB\-\-no\-progress\fR] [\fB\-\-print\-errors\fR] [\fB\-D\fR|\fB\-\-only\-dir\fR] [\fB\-F\fR|\fB\-\-only\-file\fR] [\fB\-o\fR|\fB\-\-output\-format\fR] [\fB\-S\fR|\fB\-\-stack\-size\fR] [\fB\-j\fR|\fB\-\-output\-json\fR] [\fB\-M\fR|\fB\-\-mtime\fR] [\fB\-A\fR|\fB\-\-atime\fR] [\fB\-y\fR|\fB\-\-ctime\fR] [\fB\-\-files0\-from\fR] [\fB\-m\fR|\fB\-\-filetime\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fIPATH\fR] 
+\fBdust\fR [\fB\-d\fR|\fB\-\-depth\fR] [\fB\-T\fR|\fB\-\-threads\fR] [\fB\-\-config\fR] [\fB\-n\fR|\fB\-\-number\-of\-lines\fR] [\fB\-p\fR|\fB\-\-full\-paths\fR] [\fB\-X\fR|\fB\-\-ignore\-directory\fR] [\fB\-I\fR|\fB\-\-ignore\-all\-in\-file\fR] [\fB\-L\fR|\fB\-\-dereference\-links\fR] [\fB\-x\fR|\fB\-\-limit\-filesystem\fR] [\fB\-s\fR|\fB\-\-apparent\-size\fR] [\fB\-r\fR|\fB\-\-reverse\fR] [\fB\-c\fR|\fB\-\-no\-colors\fR] [\fB\-C\fR|\fB\-\-force\-colors\fR] [\fB\-b\fR|\fB\-\-no\-percent\-bars\fR] [\fB\-B\fR|\fB\-\-bars\-on\-right\fR] [\fB\-z\fR|\fB\-\-min\-size\fR] [\fB\-R\fR|\fB\-\-screen\-reader\fR] [\fB\-\-skip\-total\fR] [\fB\-f\fR|\fB\-\-filecount\fR] [\fB\-i\fR|\fB\-\-ignore_hidden\fR] [\fB\-v\fR|\fB\-\-invert\-filter\fR] [\fB\-e\fR|\fB\-\-filter\fR] [\fB\-t\fR|\fB\-\-file_types\fR] [\fB\-w\fR|\fB\-\-terminal_width\fR] [\fB\-P\fR|\fB\-\-no\-progress\fR] [\fB\-\-print\-errors\fR] [\fB\-D\fR|\fB\-\-only\-dir\fR] [\fB\-F\fR|\fB\-\-only\-file\fR] [\fB\-o\fR|\fB\-\-output\-format\fR] [\fB\-S\fR|\fB\-\-stack\-size\fR] [\fB\-j\fR|\fB\-\-output\-json\fR] [\fB\-M\fR|\fB\-\-mtime\fR] [\fB\-A\fR|\fB\-\-atime\fR] [\fB\-y\fR|\fB\-\-ctime\fR] [\fB\-\-files0\-from\fR] [\fB\-m\fR|\fB\-\-filetime\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR] [\fIPATH\fR] 
 .SH DESCRIPTION
 Like du but more intuitive
 .SH OPTIONS
@@ -15,6 +15,9 @@ Depth to show
 \fB\-T\fR, \fB\-\-threads\fR
 Number of threads to use
 .TP
+\fB\-\-config\fR=\fIFILE\fR
+Specify a config file to use
+.TP
 \fB\-n\fR, \fB\-\-number\-of\-lines\fR=\fINUMBER\fR
 Number of lines of output to show. (Default is terminal_height \- 10)
 .TP
@@ -22,7 +25,7 @@ Number of lines of output to show. (Default is terminal_height \- 10)
 Subdirectories will not have their path shortened
 .TP
 \fB\-X\fR, \fB\-\-ignore\-directory\fR=\fIPATH\fR
-Exclude any file or directory with this name
+Exclude any file or directory with this path
 .TP
 \fB\-I\fR, \fB\-\-ignore\-all\-in\-file\fR=\fIFILE\fR
 Exclude any file or directory with a regex matching that listed in this file, the file entries will be added to the ignore regexs provided by \-\-invert_filter
diff --git a/src/cli.rs b/src/cli.rs
index 66a8c0c8..d8d8cb4d 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -24,6 +24,15 @@ pub fn build_cli() -> Command {
                 .help("Number of threads to use")
                 .num_args(1)
         )
+        .arg(
+            Arg::new("config")
+                .long("config")
+                .help("Specify a config file to use")
+                .value_name("FILE")
+                .value_hint(clap::ValueHint::FilePath)
+                .value_parser(value_parser!(String))
+                .num_args(1)
+        )
         .arg(
             Arg::new("number_of_lines")
                 .short('n')
@@ -47,7 +56,7 @@ pub fn build_cli() -> Command {
                 .value_name("PATH")
                 .value_hint(clap::ValueHint::AnyPath)
                 .action(clap::ArgAction::Append)
-                .help("Exclude any file or directory with this name"),
+                .help("Exclude any file or directory with this path"),
         )
         .arg(
             Arg::new("ignore_all_in_file")
diff --git a/src/config.rs b/src/config.rs
index 723a1ec4..49a5f563 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -15,7 +15,6 @@ pub static DAY_SECONDS: i64 = 24 * 60 * 60;
 
 #[derive(Deserialize, Default)]
 #[serde(rename_all = "kebab-case")]
-#[serde(deny_unknown_fields)]
 pub struct Config {
     pub display_full_paths: Option<bool>,
     pub display_apparent_size: Option<bool>,
@@ -231,7 +230,7 @@ fn convert_min_size(input: &str) -> Option<usize> {
                 match number_format {
                     Some((multiple, _)) => Some(parsed_digits * (multiple as usize)),
                     None => {
-                        if letters.eq("") {
+                        if letters.is_empty() {
                             Some(parsed_digits)
                         } else {
                             eprintln!("Ignoring invalid min-size: {input}");
@@ -254,12 +253,29 @@ fn get_config_locations(base: &Path) -> Vec<PathBuf> {
     ]
 }
 
-pub fn get_config() -> Config {
-    if let Some(home) = directories::BaseDirs::new() {
-        for path in get_config_locations(home.home_dir()) {
+pub fn get_config(conf_path: Option<String>) -> Config {
+    match conf_path {
+        Some(path_str) => {
+            let path = Path::new(&path_str);
             if path.exists() {
-                if let Ok(config) = Config::from_config_file(path) {
-                    return config;
+                match Config::from_config_file(path) {
+                    Ok(config) => return config,
+                    Err(e) => {
+                        eprintln!("Ignoring invalid config file '{}': {}", &path.display(), e)
+                    }
+                }
+            } else {
+                eprintln!("Config file {:?} doesn't exists", &path.display());
+            }
+        }
+        None => {
+            if let Some(home) = directories::BaseDirs::new() {
+                for path in get_config_locations(home.home_dir()) {
+                    if path.exists() {
+                        if let Ok(config) = Config::from_config_file(&path) {
+                            return config;
+                        }
+                    }
                 }
             }
         }
diff --git a/src/main.rs b/src/main.rs
index ea280ef8..ddc50ee1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -112,7 +112,7 @@ fn get_regex_value(maybe_value: Option<ValuesRef<String>>) -> Vec<Regex> {
 
 fn main() {
     let options = build_cli().get_matches();
-    let config = get_config();
+    let config = get_config(options.get_one::<String>("config").cloned());
 
     let errors = RuntimeErrors::default();
     let error_listen_for_ctrlc = Arc::new(Mutex::new(errors));