diff --git a/addons/web/static/src/js/core.js b/addons/web/static/src/js/core.js
index d271fbc430e..4934979f65f 100644
--- a/addons/web/static/src/js/core.js
+++ b/addons/web/static/src/js/core.js
@@ -1094,6 +1094,7 @@ openerp.web.qweb.format_text_node = function(s) {
 
 /** Setup default connection */
 openerp.connection = new openerp.web.Connection();
+openerp.web.qweb.default_dict['__debug__'] = openerp.connection.debug;
 
 };