diff --git a/src/Symfony/Bridge/Twig/Tests/Extension/RoutingExtensionTest.php b/src/Symfony/Bridge/Twig/Tests/Extension/RoutingExtensionTest.php
index 87b6052f6f..9733cd7b8a 100644
--- a/src/Symfony/Bridge/Twig/Tests/Extension/RoutingExtensionTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/Extension/RoutingExtensionTest.php
@@ -23,7 +23,7 @@ class RoutingExtensionTest extends \PHPUnit_Framework_TestCase
         $twig = new \Twig_Environment($this->getMock('Twig_LoaderInterface'), array('debug' => true, 'cache' => false, 'autoescape' => 'html', 'optimizations' => 0));
         $twig->addExtension(new RoutingExtension($this->getMock('Symfony\Component\Routing\Generator\UrlGeneratorInterface')));
 
-        $nodes = $twig->parse($twig->tokenize(new \Twig_Source($template)));
+        $nodes = $twig->parse($twig->tokenize(new \Twig_Source($template, '')));
 
         $this->assertSame($mustBeEscaped, $nodes->getNode('body')->getNode(0)->getNode('expr') instanceof \Twig_Node_Expression_Filter);
     }
diff --git a/src/Symfony/Bridge/Twig/Tests/NodeVisitor/TwigNodeProvider.php b/src/Symfony/Bridge/Twig/Tests/NodeVisitor/TwigNodeProvider.php
index a90b556c9e..502cad38de 100644
--- a/src/Symfony/Bridge/Twig/Tests/NodeVisitor/TwigNodeProvider.php
+++ b/src/Symfony/Bridge/Twig/Tests/NodeVisitor/TwigNodeProvider.php
@@ -25,7 +25,7 @@ class TwigNodeProvider
             new \Twig_Node_Expression_Array(array(), 0),
             new \Twig_Node_Expression_Array(array(), 0),
             null,
-            new \Twig_Source('')
+            new \Twig_Source('', '')
         );
     }
 
diff --git a/src/Symfony/Bridge/Twig/Tests/TokenParser/FormThemeTokenParserTest.php b/src/Symfony/Bridge/Twig/Tests/TokenParser/FormThemeTokenParserTest.php
index aa99132498..6b6a92abf1 100644
--- a/src/Symfony/Bridge/Twig/Tests/TokenParser/FormThemeTokenParserTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/TokenParser/FormThemeTokenParserTest.php
@@ -23,7 +23,7 @@ class FormThemeTokenParserTest extends \PHPUnit_Framework_TestCase
     {
         $env = new \Twig_Environment($this->getMock('Twig_LoaderInterface'), array('cache' => false, 'autoescape' => false, 'optimizations' => 0));
         $env->addTokenParser(new FormThemeTokenParser());
-        $stream = $env->tokenize(new \Twig_Source($source));
+        $stream = $env->tokenize(new \Twig_Source($source, ''));
         $parser = new \Twig_Parser($env);
 
         $this->assertEquals($expected, $parser->parse($stream)->getNode('body')->getNode(0));
diff --git a/src/Symfony/Bridge/Twig/Translation/TwigExtractor.php b/src/Symfony/Bridge/Twig/Translation/TwigExtractor.php
index 69ec1d9155..917687ad34 100644
--- a/src/Symfony/Bridge/Twig/Translation/TwigExtractor.php
+++ b/src/Symfony/Bridge/Twig/Translation/TwigExtractor.php
@@ -85,7 +85,7 @@ class TwigExtractor extends AbstractFileExtractor implements ExtractorInterface
         $visitor = $this->twig->getExtension('Symfony\Bridge\Twig\Extension\TranslationExtension')->getTranslationNodeVisitor();
         $visitor->enable();
 
-        $this->twig->parse($this->twig->tokenize(new \Twig_Source($template)));
+        $this->twig->parse($this->twig->tokenize(new \Twig_Source($template, '')));
 
         foreach ($visitor->getMessages() as $message) {
             $catalogue->set(trim($message[0]), $this->prefix.trim($message[0]), $message[1] ?: $this->defaultDomain);