1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py
index 234dd4261c..0b9e1de1a7 100644
--- a/synapse/rest/media/v1/thumbnail_resource.py
+++ b/synapse/rest/media/v1/thumbnail_resource.py
@@ -39,12 +39,13 @@ class ThumbnailResource(Resource):
         self.dynamic_thumbnails = hs.config.dynamic_thumbnails
         self.server_name = hs.hostname
         self.version_string = hs.version_string
+        self.clock = hs.get_clock()
 
     def render_GET(self, request):
         self._async_render_GET(request)
         return NOT_DONE_YET
 
-    @request_handler
+    @request_handler()
     @defer.inlineCallbacks
     def _async_render_GET(self, request):
         server_name, media_id, _ = parse_media_id(request)