diff --git a/src/server/server.c b/src/server/server.c
index 8e9d387a..0f38e7ed 100644
--- a/src/server/server.c
+++ b/src/server/server.c
@@ -359,6 +359,10 @@ BOOL server_IdleHandler4Server (PMSGQUEUE msg_queue)
     kernel_ReShowCursor ();
 #endif
 
+#ifdef _MGSCHEMA_COMPOSITING
+    __compsor_check_znodes ();
+#endif
+
     extra.params_mask = 0;
     if ((n = IAL_WaitEvent (mg_maxfd, &rset, wsetptr, esetptr,
                 msg_queue?NULL:(&sel_timeout), &extra)) < 0) {