diff --git a/core/src/lib.rs b/core/src/lib.rs
index ca4de17f..97772109 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -32,7 +32,7 @@ impl Unimarkup {
                 doc: Umi::create_um(um_content, &mut config).unwrap(),
             },
             _ => Unimarkup {
-                doc: parser::parse_unimarkup(um_content, &mut config),
+                doc: parser::parse_unimarkup(um_content, config),
             },
         }
     }
diff --git a/render/src/umi/mod.rs b/render/src/umi/mod.rs
index 91330372..8c4c15f1 100644
--- a/render/src/umi/mod.rs
+++ b/render/src/umi/mod.rs
@@ -371,6 +371,7 @@ impl Umi {
                 .preamble
                 .i18n
                 .lang
+                .clone()
                 .unwrap_or(locale!("en"))
                 .to_string()
                 .to_owned(),
diff --git a/render/src/umi/render.rs b/render/src/umi/render.rs
index 8f1d70bf..a4996e5b 100644
--- a/render/src/umi/render.rs
+++ b/render/src/umi/render.rs
@@ -233,42 +233,50 @@ impl Renderer<Umi> for UmiRenderer {
         &mut self,
         context: &Context,
     ) -> Result<Umi, crate::log_id::RenderError> {
-        let entry = UmiRow::new(
-            self.pos,
-            String::new(),
-            "Bibliography".to_string(),
-            String::new(),
-            self.depth,
-            "{$um.bibliography}".to_string(),
-            String::new(),
-        );
+        if context.bibliography.is_some() {
+            let entry = UmiRow::new(
+                self.pos,
+                String::new(),
+                "Bibliography".to_string(),
+                String::new(),
+                self.depth,
+                "{$um.bibliography}".to_string(),
+                String::new(),
+            );
 
-        self.pos += 1;
+            self.pos += 1;
 
-        self.proceed(Umi::with_um(
-            vec![entry],
-            context.get_config().clone(),
-            context.get_lang().to_string(),
-        ))
+            self.proceed(Umi::with_um(
+                vec![entry],
+                context.get_config().clone(),
+                context.get_lang().to_string(),
+            ))
+        } else {
+            Ok(Umi::default())
+        }
     }
 
     fn render_footnotes(&mut self, context: &Context) -> Result<Umi, crate::log_id::RenderError> {
-        let entry = UmiRow::new(
-            self.pos,
-            String::new(),
-            "Footnotes".to_string(),
-            String::new(),
-            self.depth,
-            "{$um.footnotes}".to_string(),
-            String::new(),
-        );
+        if context.footnotes.is_some() {
+            let entry = UmiRow::new(
+                self.pos,
+                String::new(),
+                "Footnotes".to_string(),
+                String::new(),
+                self.depth,
+                "{$um.footnotes}".to_string(),
+                String::new(),
+            );
 
-        self.pos += 1;
+            self.pos += 1;
 
-        self.proceed(Umi::with_um(
-            vec![entry],
-            context.get_config().clone(),
-            context.get_lang().to_string(),
-        ))
+            self.proceed(Umi::with_um(
+                vec![entry],
+                context.get_config().clone(),
+                context.get_lang().to_string(),
+            ))
+        } else {
+            Ok(Umi::default())
+        }
     }
 }