diff --git a/server/lib/activitypub/process/process-update.ts b/server/lib/activitypub/process/process-update.ts
index 7caf2ca78..84a62de9f 100644
--- a/server/lib/activitypub/process/process-update.ts
+++ b/server/lib/activitypub/process/process-update.ts
@@ -19,7 +19,7 @@ async function processUpdateActivity (activity: ActivityUpdate) {
     return processUpdateVideoChannel(account, activity.object)
   }
 
-  return undefined
+  return
 }
 
 // ---------------------------------------------------------------------------