nat: Close the right endpoint down the stream.
diff --git a/openbsc/src/nat/bsc_mgcp_utils.c b/openbsc/src/nat/bsc_mgcp_utils.c
index 475e04c..2dcd250 100644
--- a/openbsc/src/nat/bsc_mgcp_utils.c
+++ b/openbsc/src/nat/bsc_mgcp_utils.c
@@ -333,7 +333,7 @@
 				ENDPOINT_NUMBER(endp));
 		} else {
 			if (con->bsc == bsc) {
-				bsc_mgcp_send_dlcx(bsc, ENDPOINT_NUMBER(endp));
+				bsc_mgcp_send_dlcx(bsc, con->bsc_endp);
 			} else {
 				LOGP(DMGCP, LOGL_ERROR,
 					"Endpoint belongs to a different BSC\n");