@@ -1258,6 +1258,9 @@ dlg_cell_t *dlg_lookup_msg_dialog(sip_msg_t *msg, unsigned int *dir)

 				msg->callid->body.len, msg->callid->body.s);

 		return NULL;

 	}

+        if(msg->first_line.u.request.method_value == METHOD_CANCEL) {

+                dlg_set_ctx_iuid(dlg);

+        }

 	if(dir) *dir = vdir;

 	return dlg;

 }