diff --git a/src/Symfony/Bundle/WebProfilerBundle/Controller/ProfilerController.php b/src/Symfony/Bundle/WebProfilerBundle/Controller/ProfilerController.php
index fc178a837c..2efb84a14d 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/Controller/ProfilerController.php
+++ b/src/Symfony/Bundle/WebProfilerBundle/Controller/ProfilerController.php
@@ -108,7 +108,6 @@ class ProfilerController
             'request'   => $request,
             'templates' => $this->getTemplateManager()->getTemplates($profile),
             'is_ajax'   => $request->isXmlHttpRequest(),
-            'excluded_ajax_paths' => null,
         )), 200, array('Content-Type' => 'text/html'));
     }
 
diff --git a/src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig b/src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig
index f664d9a8e3..f5af3a9964 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig
+++ b/src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig
@@ -171,40 +171,42 @@
                 requestCounter[0].className = className;
             };
 
-        var proxied = XMLHttpRequest.prototype.open;
+        {% if (excluded_ajax_paths is defined) %}
+            var proxied = XMLHttpRequest.prototype.open;
 
-        XMLHttpRequest.prototype.open = function(method, url, async, user, pass) {
-            var self = this;
+            XMLHttpRequest.prototype.open = function(method, url, async, user, pass) {
+                var self = this;
 
-            /* prevent logging AJAX calls to static and inline files, like templates */
-            if (url.substr(0, 1) === '/' && !url.match(new RegExp("{{ excluded_ajax_paths }}"))) {
-                var stackElement = {
-                    loading: true,
-                    error: false,
-                    url: url,
-                    method: method,
-                    start: new Date()
-                };
+                /* prevent logging AJAX calls to static and inline files, like templates */
+                if (url.substr(0, 1) === '/' && !url.match(new RegExp("{{ excluded_ajax_paths }}"))) {
+                    var stackElement = {
+                        loading: true,
+                        error: false,
+                        url: url,
+                        method: method,
+                        start: new Date()
+                    };
 
-                requestStack.push(stackElement);
+                    requestStack.push(stackElement);
 
-                this.addEventListener("readystatechange", function() {
-                    if (self.readyState == 4) {
-                        stackElement.duration = new Date() - stackElement.start;
-                        stackElement.loading = false;
-                        stackElement.error = self.status < 200 || self.status >= 400;
-                        stackElement.profile = self.getResponseHeader("X-Debug-Token");
-                        stackElement.profilerUrl = self.getResponseHeader("X-Debug-Token-Link");
+                    this.addEventListener("readystatechange", function() {
+                        if (self.readyState == 4) {
+                            stackElement.duration = new Date() - stackElement.start;
+                            stackElement.loading = false;
+                            stackElement.error = self.status < 200 || self.status >= 400;
+                            stackElement.profile = self.getResponseHeader("X-Debug-Token");
+                            stackElement.profilerUrl = self.getResponseHeader("X-Debug-Token-Link");
 
-                        Sfjs.renderAjaxRequests();
-                    }
-                }, false);
+                            Sfjs.renderAjaxRequests();
+                        }
+                    }, false);
 
-                Sfjs.renderAjaxRequests();
-            }
+                    Sfjs.renderAjaxRequests();
+                }
 
-            proxied.apply(this, Array.prototype.slice.call(arguments));
-        };
+                proxied.apply(this, Array.prototype.slice.call(arguments));
+            };
+        {% endif %}
 
         return {
             hasClass: hasClass,