diff --git a/youtube_dlc/YoutubeDL.py b/youtube_dlc/YoutubeDL.py
index 67afeac01..f88bc793e 100644
--- a/youtube_dlc/YoutubeDL.py
+++ b/youtube_dlc/YoutubeDL.py
@@ -2360,6 +2360,9 @@ def correct_ext(filename):
                             info_dict['__files_to_merge'] = downloaded
                             # Even if there were no downloads, it is being merged only now
                             info_dict['__real_download'] = True
+                        else:
+                            for file in downloaded:
+                                files_to_move[file] = None
                 else:
                     # Just a single file
                     dl_filename = existing_file(full_filename, temp_filename)