2 files changed, 2 insertions, 2 deletions
diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py
index 5b13378caa..174ad20123 100644
--- a/synapse/rest/media/v1/media_repository.py
+++ b/synapse/rest/media/v1/media_repository.py
@@ -106,7 +106,7 @@ class MediaRepository(object):
         )
 
     def _start_update_recently_accessed(self):
-        run_as_background_process(
+        return run_as_background_process(
             "update_recently_accessed_media", self._update_recently_accessed,
         )
 
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py
index 4efd5339a4..27aa0def2f 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -373,7 +373,7 @@ class PreviewUrlResource(Resource):
         })
 
     def _start_expire_url_cache_data(self):
-        run_as_background_process(
+        return run_as_background_process(
             "expire_url_cache_data", self._expire_url_cache_data,
         )