diff --git a/addons/web/static/src/js/chrome.js b/addons/web/static/src/js/chrome.js
index 32a70d587a7..39bc0181e16 100644
--- a/addons/web/static/src/js/chrome.js
+++ b/addons/web/static/src/js/chrome.js
@@ -689,6 +689,11 @@ openerp.web.Header =  openerp.web.Widget.extend(/** @lends openerp.web.Header# *
         var self = this;
         self.rpc("/web/webclient/version_info", {}).then(function(res) {
             var $help = $(QWeb.render("About-Page", {version_info: res}));
+            $help.find('a.oe_activate_debug_mode').click(function (e) {
+                e.preventDefault();
+                window.location = $.param.querystring(
+                        window.location.href, 'debug');
+            });
             $help.dialog({autoOpen: true,
                 modal: true, width: 960, title: _t("About")});
         });
diff --git a/addons/web/static/src/xml/base.xml b/addons/web/static/src/xml/base.xml
index f21749277a6..eb93336fc0c 100644
--- a/addons/web/static/src/xml/base.xml
+++ b/addons/web/static/src/xml/base.xml
@@ -1716,6 +1716,7 @@
 
 <t t-name="About-Page">
     <div>
+        <a class="oe_activate_debug_mode" href="?debug">Debug mode</a>
         <h1>OpenERP Web</h1>
         <h3 style="padding:0 5px 5px">Version <t t-esc="version_info.version"/></h3>
         <p>