diff --git a/src/mme/mme-context.c b/src/mme/mme-context.c
index ca26836d2..0590233c0 100644
--- a/src/mme/mme-context.c
+++ b/src/mme/mme-context.c
@@ -2838,10 +2838,14 @@ void mme_vlr_close(mme_vlr_t *vlr)
 {
     ogs_assert(vlr);
 
-    if (vlr->poll)
+    if (vlr->poll) {
         ogs_pollset_remove(vlr->poll);
-    if (vlr->sock)
+        vlr->poll = NULL;
+    }
+    if (vlr->sock) {
         ogs_sctp_destroy(vlr->sock);
+        vlr->sock = NULL;
+    }
 }
 
 mme_vlr_t *mme_vlr_find_by_sock(const ogs_sock_t *sock)