diff --git a/openbsc/src/mgcp/mgcp_vty.c b/openbsc/src/mgcp/mgcp_vty.c
index f3b5f45..040e8ff 100644
--- a/openbsc/src/mgcp/mgcp_vty.c
+++ b/openbsc/src/mgcp/mgcp_vty.c
@@ -305,6 +305,7 @@
 		endp->conn_mode = MGCP_CONN_LOOPBACK;
 	else
 		endp->conn_mode = endp->orig_mode;
+	endp->allow_patch = 1;
 
 	return CMD_SUCCESS;
 }