diff --git a/openbsc/src/nat/bsc_mgcp_utils.c b/openbsc/src/nat/bsc_mgcp_utils.c
index cb9264d..6e28095 100644
--- a/openbsc/src/nat/bsc_mgcp_utils.c
+++ b/openbsc/src/nat/bsc_mgcp_utils.c
@@ -196,6 +196,14 @@
 	bsc_endp = &nat->bsc_endpoints[endpoint];
 	mgcp_endp = &nat->mgcp_cfg->endpoints[endpoint];
 
+	if (bsc_endp->transaction_id) {
+		LOGP(DMGCP, LOGL_ERROR, "Endpoint 0x%x had pending transaction: '%s'\n",
+		     endpoint, bsc_endp->transaction_id);
+		talloc_free(bsc_endp->transaction_id);
+		bsc_endp->transaction_id = NULL;
+	}
+	bsc_endp->bsc = NULL;
+
 	sccp = bsc_mgcp_find_con(nat, endpoint);
 
 	if (!sccp) {
@@ -218,12 +226,6 @@
 		}
 	}
 
-	if (bsc_endp->transaction_id) {
-		LOGP(DMGCP, LOGL_ERROR, "Endpoint 0x%x had pending transaction: '%s'\n",
-		     endpoint, bsc_endp->transaction_id);
-		talloc_free(bsc_endp->transaction_id);
-	}
-
 	/* we need to generate a new and patched message */
 	bsc_msg = bsc_mgcp_rewrite((char *) nat->mgcp_msg, nat->mgcp_length,
 				   nat->mgcp_cfg->source_addr, mgcp_endp->rtp_port);