diff --git a/src/userdb/userdbd-manager.c b/src/userdb/userdbd-manager.c
index 62a1fa5f4bf..c1dfe47ea35 100644
--- a/src/userdb/userdbd-manager.c
+++ b/src/userdb/userdbd-manager.c
@@ -124,6 +124,8 @@ Manager* manager_free(Manager *m) {
 
         m->deferred_start_worker_event_source = sd_event_source_unref(m->deferred_start_worker_event_source);
 
+        safe_close(m->listen_fd);
+
         sd_event_unref(m->event);
 
         return mfree(m);