diff --git a/README.md b/README.md
index f754d785..b1cd35df 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ The role defines variables in `defaults/main.yml`:
 | `vault_user` | `vault` | OS user |
 | `vault_group` | `bin` | OS group |
 | `vault_datacenter` | `dc1` | Datacenter label - Not impemented |
-| `vault_log_level` | `INFO` | Log level |
+| `vault_log_level` | `info` | [Log level](https://github.com/hashicorp/vault/blob/b1ed578f3da3263ca1973d16dcb33490125486b8/command/server.go#L1003-L1005) - Supported values: [trace, debug, info, warn, err](https://github.com/hashicorp/vault/blob/b1ed578f3da3263ca1973d16dcb33490125486b8/command/server.go#L87-L103) |
 | `vault_syslog_enable` | `true` | Log to syslog  - Not impemented |
 | `vault_iface` | `eth1` | Network interface - Not impemented |
 | `vault_address` | `{{ hostvars[inventory_hostname]['ansible_eth1']['ipv4']['address'] }}` | Primary interface address |
diff --git a/defaults/main.yml b/defaults/main.yml
index 4c105f76..663d770d 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -17,7 +17,7 @@ vault_cluster_name: "sutakku"
 vault_datacenter: "dc1"
 vault_consul: "127.0.0.1:8500"
 vault_consul_path: "vault"
-vault_log_level: "INFO"
+vault_log_level: "info"
 vault_syslog_enable: "true"
 vault_iface: "eth1"
 vault_address: "0.0.0.0"
diff --git a/examples/Vagrantfile b/examples/Vagrantfile
index 2805000a..da31df4a 100644
--- a/examples/Vagrantfile
+++ b/examples/Vagrantfile
@@ -8,7 +8,7 @@ ANSIBLE_PLAYBOOK = ENV['ANSIBLE_PLAYBOOK'] || "site.yml"
 BOX_MEM = ENV['BOX_MEM'] || "1536"
 BOX_NAME =  ENV['BOX_NAME'] || "debian/jessie64"
 VAULT_HOSTS = ENV['VAULT_HOSTS'] || "vagrant_hosts"
-LOGLEVEL = ENV['VAULT_LOGLEVEL'] || "INFO"
+LOGLEVEL = ENV['VAULT_LOGLEVEL'] || "info"
 VAGRANTFILE_API_VERSION = "2"
 
 Vagrant.require_version ">= 1.5.0"
diff --git a/templates/vault_debian.init.j2 b/templates/vault_debian.init.j2
index 0b3bfcfe..1b0eb741 100644
--- a/templates/vault_debian.init.j2
+++ b/templates/vault_debian.init.j2
@@ -14,7 +14,7 @@ DESC="Vault secret management tool"
 NAME=vault
 DAEMON="{{ vault_bin_path }}/$NAME"
 PIDFILE=/var/run/$NAME/$NAME.pid
-DAEMON_ARGS="server -config={{ vault_main_config }} -log-level={{ vault_log_level }}"
+DAEMON_ARGS="server -config={{ vault_main_config }} {% if vault_log_level is defined %}-log-level={{ vault_log_level | lower }}{% endif %}"
 USER={{ vault_user }}
 SCRIPTNAME=/etc/init.d/$NAME
 
diff --git a/templates/vault_systemd.service.j2 b/templates/vault_systemd.service.j2
index 2def3e3a..86d66241 100644
--- a/templates/vault_systemd.service.j2
+++ b/templates/vault_systemd.service.j2
@@ -17,7 +17,8 @@ After=basic.target network.target
 User={{ vault_user }}
 Group={{ vault_group }}
 PIDFile=/var/run/vault/vault.pid
-ExecStart={{ vault_bin_path }}/vault server -config={{ vault_main_config }} -log-level={{ vault_log_level }}
+ExecStart="{{ vault_bin_path }}/vault" server -config={{ vault_main_config }} {% if vault_log_level is defined %}-log-level={{ vault_log_level | lower }}
+{% endif %}
 ExecReload=/bin/kill -HUP $MAINPID
 KillMode=process
 Restart=on-failure
diff --git a/templates/vault_sysvinit.j2 b/templates/vault_sysvinit.j2
index 01949654..643bb55b 100644
--- a/templates/vault_sysvinit.j2
+++ b/templates/vault_sysvinit.j2
@@ -41,7 +41,7 @@ start() {
         [ -f $PID_FILE ] && rm $PID_FILE
         daemon --user={{ vault_user }} \
             --pidfile="$PID_FILE" \
-            "$VAULT" server -config={{ vault_main_config }} -log-level={{ vault_log_level }} &
+            "$VAULT" server -config={{ vault_main_config }} {% if vault_log_level is defined %}-log-level={{ vault_log_level | lower }}{% endif %} &
         retcode=$?
         touch /var/lock/subsys/vault
         return $retcode