diff --git a/src/Symfony/Component/HttpKernel/Fragment/RoutableFragmentRenderer.php b/src/Symfony/Component/HttpKernel/Fragment/RoutableFragmentRenderer.php
index d2300d139b1b..68a7c77fe703 100644
--- a/src/Symfony/Component/HttpKernel/Fragment/RoutableFragmentRenderer.php
+++ b/src/Symfony/Component/HttpKernel/Fragment/RoutableFragmentRenderer.php
@@ -55,6 +55,10 @@ protected function generateFragmentUri(ControllerReference $reference, Request $
             $reference->attributes['_format'] = $request->getRequestFormat();
         }
 
+        if (!isset($reference->attributes['_locale'])) {
+            $reference->attributes['_locale'] = $request->getLocale();
+        }
+
         $reference->attributes['_controller'] = $reference->controller;
 
         $reference->query['_path'] = http_build_query($reference->attributes, '', '&');
diff --git a/src/Symfony/Component/HttpKernel/Tests/Fragment/EsiFragmentRendererTest.php b/src/Symfony/Component/HttpKernel/Tests/Fragment/EsiFragmentRendererTest.php
index 34e68a743600..5bbfdace9bde 100644
--- a/src/Symfony/Component/HttpKernel/Tests/Fragment/EsiFragmentRendererTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/Fragment/EsiFragmentRendererTest.php
@@ -42,12 +42,13 @@ public function testRender()
         $strategy = new EsiFragmentRenderer(new Esi(), $this->getInlineStrategy());
 
         $request = Request::create('/');
+        $request->setLocale('fr');
         $request->headers->set('Surrogate-Capability', 'ESI/1.0');
 
         $this->assertEquals('<esi:include src="/" />', $strategy->render('/', $request)->getContent());
         $this->assertEquals("<esi:comment text=\"This is a comment\" />\n<esi:include src=\"/\" />", $strategy->render('/', $request, array('comment' => 'This is a comment'))->getContent());
         $this->assertEquals('<esi:include src="/" alt="foo" />', $strategy->render('/', $request, array('alt' => 'foo'))->getContent());
-        $this->assertEquals('<esi:include src="http://localhost/_fragment?_path=_format%3Dhtml%26_controller%3Dmain_controller" alt="http://localhost/_fragment?_path=_format%3Dhtml%26_controller%3Dalt_controller" />', $strategy->render(new ControllerReference('main_controller', array(), array()), $request, array('alt' => new ControllerReference('alt_controller', array(), array())))->getContent());
+        $this->assertEquals('<esi:include src="http://localhost/_fragment?_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3Dmain_controller" alt="http://localhost/_fragment?_path=_format%3Dhtml%26_locale%3Dfr%26_controller%3Dalt_controller" />', $strategy->render(new ControllerReference('main_controller', array(), array()), $request, array('alt' => new ControllerReference('alt_controller', array(), array())))->getContent());
     }
 
     private function getInlineStrategy($called = false)
diff --git a/src/Symfony/Component/HttpKernel/Tests/Fragment/InlineFragmentRendererTest.php b/src/Symfony/Component/HttpKernel/Tests/Fragment/InlineFragmentRendererTest.php
index 00871f1b0ee2..dc685cd6d3ae 100644
--- a/src/Symfony/Component/HttpKernel/Tests/Fragment/InlineFragmentRendererTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/Fragment/InlineFragmentRendererTest.php
@@ -50,8 +50,8 @@ public function testRenderWithObjectsAsAttributes()
     {
         $object = new \stdClass();
 
-        $subRequest = Request::create('/_fragment?_path=_format%3Dhtml%26_controller%3Dmain_controller');
-        $subRequest->attributes->replace(array('object' => $object, '_format' => 'html', '_controller' => 'main_controller'));
+        $subRequest = Request::create('/_fragment?_path=_format%3Dhtml%26_locale%3Den%26_controller%3Dmain_controller');
+        $subRequest->attributes->replace(array('object' => $object, '_format' => 'html', '_controller' => 'main_controller', '_locale' => 'en'));
         $subRequest->headers->set('x-forwarded-for', array('127.0.0.1'));
         $subRequest->server->set('HTTP_X_FORWARDED_FOR', '127.0.0.1');
 
diff --git a/src/Symfony/Component/HttpKernel/Tests/Fragment/RoutableFragmentRendererTest.php b/src/Symfony/Component/HttpKernel/Tests/Fragment/RoutableFragmentRendererTest.php
index dae52da9334d..708d0089f9c8 100644
--- a/src/Symfony/Component/HttpKernel/Tests/Fragment/RoutableFragmentRendererTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/Fragment/RoutableFragmentRendererTest.php
@@ -27,12 +27,13 @@ public function testGenerateFragmentUri($uri, $controller)
     public function getGenerateFragmentUriData()
     {
         return array(
-            array('http://localhost/_fragment?_path=_format%3Dhtml%26_controller%3Dcontroller', new ControllerReference('controller', array(), array())),
-            array('http://localhost/_fragment?_path=_format%3Dxml%26_controller%3Dcontroller', new ControllerReference('controller', array('_format' => 'xml'), array())),
-            array('http://localhost/_fragment?_path=foo%3Dfoo%26_format%3Djson%26_controller%3Dcontroller', new ControllerReference('controller', array('foo' => 'foo', '_format' => 'json'), array())),
-            array('http://localhost/_fragment?bar=bar&_path=foo%3Dfoo%26_format%3Dhtml%26_controller%3Dcontroller', new ControllerReference('controller', array('foo' => 'foo'), array('bar' => 'bar'))),
-            array('http://localhost/_fragment?foo=foo&_path=_format%3Dhtml%26_controller%3Dcontroller', new ControllerReference('controller', array(), array('foo' => 'foo'))),
-            array('http://localhost/_fragment?_path=foo%255B0%255D%3Dfoo%26foo%255B1%255D%3Dbar%26_format%3Dhtml%26_controller%3Dcontroller', new ControllerReference('controller', array('foo' => array('foo', 'bar')), array())),
+            array('http://localhost/_fragment?_path=_format%3Dhtml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', array(), array())),
+            array('http://localhost/_fragment?_path=_format%3Dxml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', array('_format' => 'xml'), array())),
+            array('http://localhost/_fragment?_path=foo%3Dfoo%26_format%3Djson%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', array('foo' => 'foo', '_format' => 'json'), array())),
+            array('http://localhost/_fragment?_path=foo%3Dfoo%26_locale%3Dfr%26_format%3Dhtml%26_controller%3Dcontroller', new ControllerReference('controller', array('foo' => 'foo', '_locale' => 'fr'), array())),
+            array('http://localhost/_fragment?bar=bar&_path=foo%3Dfoo%26_format%3Dhtml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', array('foo' => 'foo'), array('bar' => 'bar'))),
+            array('http://localhost/_fragment?foo=foo&_path=_format%3Dhtml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', array(), array('foo' => 'foo'))),
+            array('http://localhost/_fragment?_path=foo%255B0%255D%3Dfoo%26foo%255B1%255D%3Dbar%26_format%3Dhtml%26_locale%3Den%26_controller%3Dcontroller', new ControllerReference('controller', array('foo' => array('foo', 'bar')), array())),
         );
     }
 
@@ -40,9 +41,10 @@ public function testGenerateFragmentUriWithARequest()
     {
         $request = Request::create('/');
         $request->attributes->set('_format', 'json');
+        $request->setLocale('fr');
         $controller = new ControllerReference('controller', array(), array());
 
-        $this->assertEquals('http://localhost/_fragment?_path=_format%3Djson%26_controller%3Dcontroller', $this->callGenerateFragmentUriMethod($controller, $request));
+        $this->assertEquals('http://localhost/_fragment?_path=_format%3Djson%26_locale%3Dfr%26_controller%3Dcontroller', $this->callGenerateFragmentUriMethod($controller, $request));
     }
 
     /**