diff --git a/src/backend/model/threading/VideoConverterWorker.ts b/src/backend/model/threading/VideoConverterWorker.ts
index ab37a81c..f67d1658 100644
--- a/src/backend/model/threading/VideoConverterWorker.ts
+++ b/src/backend/model/threading/VideoConverterWorker.ts
@@ -52,6 +52,10 @@ export class VideoConverterWorker {
         })
         .on('error', (e: any) => {
           reject('[FFmpeg] ' + e.toString() + ' executed: ' + executedCmd);
+        })
+        .on('stderr', function (line: string) {
+          // Although this is under `stderr` event, all of ffmpeg output come here.
+          Logger.debug('[FFmpeg] ' + line);
         });
 
       // set custom input options
diff --git a/src/common/config/private/PrivateConfig.ts b/src/common/config/private/PrivateConfig.ts
index ed145bd7..065afcd8 100644
--- a/src/common/config/private/PrivateConfig.ts
+++ b/src/common/config/private/PrivateConfig.ts
@@ -768,7 +768,7 @@ export class VideoTranscodingConfig {
     tags: {
       name: $localize`Custom Output Options`,
       priority: ConfigPriority.underTheHood,
-      hint: '-pass 2; -minrate 1M; -maxrate 1M; -bufsize 2M',
+      hint: '-pass 2;-minrate 1M;-maxrate 1M;-bufsize 2M',
       uiAllowSpaces: true
     },
     description: $localize`It will be sent to ffmpeg as it is, as custom output options.`,