diff --git a/handle_imported_video.py b/handle_imported_video.py
index e63e5e8..e2795a2 100644
--- a/handle_imported_video.py
+++ b/handle_imported_video.py
@@ -153,25 +153,25 @@ if _ACTION == "join":
             if _FLIP:
                 if ops == "win":
                     myCmd =  [
-                "ffmpeg", "-display_rotation", "180", "-f", "concat", "-i", "video.txt ","-vcodec", "copy", "-acodec", "copy", export_name
+                "ffmpeg", "-display_rotation", "180", "-f", "concat", "-i", "video.txt ","-vcodec", "copy", "-acodec", "copy", export_name, "/dev/null"
             ]
                 else:
                     myCmd =  [
-                "/opt/ffmpeg/ffmpeg", "-display_rotation", "180", "-f", "concat", "-i", "video.txt ","-vcodec", "copy", "-acodec", "copy", export_name
+                "/opt/ffmpeg/ffmpeg", "-display_rotation", "180", "-f", "concat", "-i", "video.txt ","-vcodec", "copy", "-acodec", "copy", export_name, "/dev/null"
             ]
             else:
                 if ops == "win":
                     myCmd =  [
-                "ffmpeg", "-f", "concat", "-i", "video.txt ","-vcodec", "copy", "-acodec", "copy", export_name
+                "ffmpeg", "-f", "concat", "-i", "video.txt ","-vcodec", "copy", "-acodec", "copy", export_name, "/dev/null"
             ]
                 else:
                     myCmd =  [
-                "/opt/ffmpeg/ffmpeg", "-f", "concat", "-i", "video.txt ","-vcodec", "copy", "-acodec", "copy", export_name
+                "/opt/ffmpeg/ffmpeg", "-f", "concat", "-i", "video.txt ","-vcodec", "copy", "-acodec", "copy", export_name, "/dev/null"
             ]
                             
             print(myCmd)
             print(f"Joining {len(parts)} files...")
-            subprocess.Popen(myCmd)
+            proc = subprocess.Popen(myCmd)
             # with tqdm(total=100, position=1, desc="Convert") as pbar:
             #     for progress in ff.run_command_with_progress():
             #         pbar.update(progress - pbar.n)