diff --git a/management/univention-directory-notifier/src/notify.c b/management/univention-directory-notifier/src/notify.c
index 76baa23f88..1af249ec01 100644
--- a/management/univention-directory-notifier/src/notify.c
+++ b/management/univention-directory-notifier/src/notify.c
@@ -665,6 +665,8 @@ void notify_listener_change_callback(int sig, siginfo_t *si, void *data)
 		}
 
 		fclose_lock(&l_file);
+	} else {
+		set_listener_callback();
 	}
 
 	if ( ( file = fopen_lock (FILE_NAME_NOTIFIER_PRIV, "r+") ) == NULL ) {