diff --git a/src/main/java/com/bivashy/backend/composer/service/YoutubeTrackService.java b/src/main/java/com/bivashy/backend/composer/service/YoutubeTrackService.java
index a6ae2e4..a4a6637 100644
--- a/src/main/java/com/bivashy/backend/composer/service/YoutubeTrackService.java
+++ b/src/main/java/com/bivashy/backend/composer/service/YoutubeTrackService.java
@@ -149,7 +149,8 @@ public class YoutubeTrackService {
             }, stdoutLine -> {
                 redisProgressService.<PlaylistProgress>updateTrackProgressField(playlistId, trackSource.getId(), userId,
                         progress -> {
-                            progress.setYtdlnStdout(String.join("\n", progress.getYtdlnStdout(), stdoutLine));
+                            String previousStdout = progress.getYtdlnStdout() == null ? "" : progress.getYtdlnStdout();
+                            progress.setYtdlnStdout(previousStdout + stdoutLine);
                         });
             }, null);
             redisProgressService.<PlaylistProgress>updateTrackProgressField(playlistId, trackSource.getId(), userId,