diff --git a/src/Symfony/Component/HttpKernel/Fragment/HIncludeFragmentRenderer.php b/src/Symfony/Component/HttpKernel/Fragment/HIncludeFragmentRenderer.php
index 8b5610b31d..fafa76368c 100644
--- a/src/Symfony/Component/HttpKernel/Fragment/HIncludeFragmentRenderer.php
+++ b/src/Symfony/Component/HttpKernel/Fragment/HIncludeFragmentRenderer.php
@@ -83,6 +83,9 @@ class HIncludeFragmentRenderer extends RoutableFragmentRenderer
             $uri = $this->signer->sign($this->generateFragmentUri($uri, $request));
         }
 
+        // We need to replace ampersands in the URI with the encoded form in order to return valid html/xml content.
+        $uri = str_replace('&', '&', $uri);
+
         $template = isset($options['default']) ? $options['default'] : $this->globalDefaultTemplate;
         if (null !== $this->templating && $template && $this->templateExists($template)) {
             $content = $this->templating->render($template);
diff --git a/src/Symfony/Component/HttpKernel/Tests/Fragment/HIncludeFragmentRendererTest.php b/src/Symfony/Component/HttpKernel/Tests/Fragment/HIncludeFragmentRendererTest.php
index 76fd720a45..1e77374901 100644
--- a/src/Symfony/Component/HttpKernel/Tests/Fragment/HIncludeFragmentRendererTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/Fragment/HIncludeFragmentRendererTest.php
@@ -38,7 +38,7 @@ class HIncludeFragmentRendererTest extends \PHPUnit_Framework_TestCase
     {
         $strategy = new HIncludeFragmentRenderer(null, new UriSigner('foo'));
 
-        $this->assertEquals('<hx:include src="http://localhost/_fragment?_path=_format%3Dhtml%26_controller%3Dmain_controller&_hash=VI25qJj8J0qveB3bGKPhsJtexKg%3D"></hx:include>', $strategy->render(new ControllerReference('main_controller', array(), array()), Request::create('/'))->getContent());
+        $this->assertEquals('<hx:include src="http://localhost/_fragment?_path=_format%3Dhtml%26_controller%3Dmain_controller&amp;_hash=VI25qJj8J0qveB3bGKPhsJtexKg%3D"></hx:include>', $strategy->render(new ControllerReference('main_controller', array(), array()), Request::create('/'))->getContent());
     }
 
     public function testRenderWithUri()