diff --git a/classes/Notice.php b/classes/Notice.php
index 181a3bd1b3..183d6108e2 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -125,7 +125,7 @@ class Notice extends DB_DataObject
 							 'WHERE subscription.subscribed = ' . $notice->profile_id);
 
 				while ($user->fetch()) {
-					$cache->delete(common_cache_key('user:notices_with_friends:' . $this->id));
+					$cache->delete(common_cache_key('user:notices_with_friends:' . $user->id));
 				}
 				
 				$user->free();