diff --git a/modules/archive/test/test_lib.py b/modules/archive/test/test_lib.py
index 69b37b83..f54194da 100644
--- a/modules/archive/test/test_lib.py
+++ b/modules/archive/test/test_lib.py
@@ -663,3 +663,9 @@ async def test_archive_download_index(test_session, test_directory, image_file):
     assert archive.title == 'the singlefile', 'Did not get the title from the singlefile'
     assert archive.screenshot_path and archive.screenshot_file and archive.screenshot_path.is_file(), \
         'Did not store the screenshot'
+
+    assert not archive.singlefile_file.associated
+    assert archive.readability_txt_file.associated \
+           and archive.readability_json_file.associated \
+           and archive.readability_file.associated \
+           and archive.screenshot_file.associated, 'Archive files must be associated'
diff --git a/modules/videos/models.py b/modules/videos/models.py
index 52dde7f7..97d73c5b 100644
--- a/modules/videos/models.py
+++ b/modules/videos/models.py
@@ -289,10 +289,13 @@ class Video(ModelHelper, Base):
 
         if poster_file:
             poster_file.do_index()
+            poster_file.associated = True
         if caption_file:
             caption_file.do_index()
+            caption_file.associated = True
         if info_json_file:
             info_json_file.do_index()
+            info_json_file.associated = True
 
         session.flush([i for i in files])
 
diff --git a/modules/videos/test/test_downloader.py b/modules/videos/test/test_downloader.py
index 2cc409a7..e8bf6b8c 100644
--- a/modules/videos/test/test_downloader.py
+++ b/modules/videos/test/test_downloader.py
@@ -413,12 +413,13 @@ async def test_video_download_1(test_session, test_directory, simple_channel, vi
 
 @pytest.mark.asyncio
 async def test_download_result(test_session, test_directory, video_download_manager, mock_video_process_runner,
-                               mock_video_extract_info):
+                               mock_video_extract_info, image_file):
     """VideoDownloader returns a DownloadResult when complete."""
     channel_directory = test_directory / 'videos/channel name'
     channel_directory.mkdir(parents=True)
     video_file = channel_directory / 'the video.mp4'
     shutil.copy(PROJECT_DIR / 'test/big_buck_bunny_720p_1mb.mp4', video_file)
+    image_file.rename(video_file.with_suffix('.jpg'))
 
     mock_video_extract_info.return_value = example_video_json
     with mock.patch('modules.videos.downloader.VideoDownloader.prepare_filename') as mock_prepare_filename:
@@ -430,6 +431,12 @@ async def test_download_result(test_session, test_directory, video_download_mana
     assert download.url == 'https://example.com'
     assert download.location == '/videos/channel/1/video/1'
 
+    # Video files are associated.
+    video = test_session.query(Video).one()
+    assert not video.video_file.associated, 'Video file should not be associated.'
+    assert video.poster_path.is_file(), 'Poster file was not found.'
+    assert video.poster_file.associated, 'Poster file was not associated.'
+
 
 example_playlist_json = {
     '_type': 'playlist',