diff --git a/vit-servicing-station-lib/src/server/settings/config.rs b/vit-servicing-station-lib/src/server/settings/config.rs
index 34bf2958..da9820e6 100644
--- a/vit-servicing-station-lib/src/server/settings/config.rs
+++ b/vit-servicing-station-lib/src/server/settings/config.rs
@@ -107,8 +107,8 @@ pub struct Log {
     pub log_output_path: Option<String>,
 
     /// Application logging level
-    #[structopt(long, default_value = "disabled")]
-    pub log_level: LogLevel,
+    #[structopt(long)]
+    pub log_level: Option<LogLevel>,
 
     /// Mute stdout log
     #[serde(default)]
@@ -160,13 +160,17 @@ impl ServiceSettings {
             return_settings.block0_path = other_settings.block0_path.clone();
         }
 
-        return_settings.log.log_level = other_settings.log.log_level;
+        if other_settings.log.log_level.is_some() {
+            return_settings.log.log_level = other_settings.log.log_level;
+        }
 
         if other_settings.log.log_output_path.is_some() {
             return_settings.log.log_output_path = other_settings.log.log_output_path.clone();
         }
 
-        return_settings.log.mute_terminal_log = other_settings.log.mute_terminal_log;
+        if other_settings.log.mute_terminal_log {
+            return_settings.log.mute_terminal_log = other_settings.log.mute_terminal_log;
+        }
 
         return_settings
     }
@@ -293,11 +297,17 @@ impl FromStr for LogLevel {
     }
 }
 
+impl Default for LogLevel {
+    fn default() -> Self {
+        LogLevel::Disabled
+    }
+}
+
 impl Default for Log {
     fn default() -> Self {
         Self {
             log_output_path: None,
-            log_level: LogLevel::Disabled,
+            log_level: None,
             mute_terminal_log: false,
         }
     }
@@ -373,7 +383,7 @@ mod test {
         );
         assert_eq!(config.block0_path, "./test/bin.test");
         assert_eq!(config.log.log_output_path.unwrap(), "./server.log");
-        assert_eq!(config.log.log_level, LogLevel::Error);
+        assert_eq!(config.log.log_level, Some(LogLevel::Error));
         let tls_config = config.tls;
         let cors_config = config.cors;
         assert_eq!(tls_config.cert_file.unwrap(), "./foo/bar.pem");
@@ -434,7 +444,7 @@ mod test {
             CorsOrigin("https://foo.test".to_string())
         );
         assert_eq!(settings.log.log_output_path.unwrap(), "./log.log");
-        assert_eq!(settings.log.log_level, LogLevel::Error);
+        assert_eq!(settings.log.log_level, Some(LogLevel::Error));
     }
 
     #[test]
diff --git a/vit-servicing-station-server/src/main.rs b/vit-servicing-station-server/src/main.rs
index 91c013e2..e983e9d0 100644
--- a/vit-servicing-station-server/src/main.rs
+++ b/vit-servicing-station-server/src/main.rs
@@ -34,7 +34,7 @@ async fn main() {
 
     // setup logging
     config_log(
-        settings.log.log_level.into(),
+        settings.log.log_level.unwrap_or_default().into(),
         settings.log.log_output_path.clone(),
         settings.log.mute_terminal_log,
         None,