diff --git a/src/Symfony/Component/Routing/Generator/UrlGenerator.php b/src/Symfony/Component/Routing/Generator/UrlGenerator.php
index d921a64d76..b9e294362d 100644
--- a/src/Symfony/Component/Routing/Generator/UrlGenerator.php
+++ b/src/Symfony/Component/Routing/Generator/UrlGenerator.php
@@ -79,6 +79,7 @@ class UrlGenerator implements UrlGeneratorInterface
      */
     protected function doGenerate($variables, $defaults, $requirements, $tokens, $parameters, $name, $absolute)
     {
+        $originParameters = $parameters;
         $parameters = array_replace($this->context->getParameters(), $parameters);
         $tparams = array_replace($defaults, $parameters);
 
@@ -121,7 +122,7 @@ class UrlGenerator implements UrlGeneratorInterface
         }
 
         // add a query string if needed
-        if ($extra = array_diff_key($parameters, $variables, $defaults)) {
+        if ($extra = array_diff_key($originParameters, $variables, $defaults)) {
             $url .= '?'.http_build_query($extra);
         }
 
diff --git a/tests/Symfony/Tests/Component/Routing/Generator/UrlGeneratorTest.php b/tests/Symfony/Tests/Component/Routing/Generator/UrlGeneratorTest.php
index 32015e7aa8..03d9f997da 100644
--- a/tests/Symfony/Tests/Component/Routing/Generator/UrlGeneratorTest.php
+++ b/tests/Symfony/Tests/Component/Routing/Generator/UrlGeneratorTest.php
@@ -90,6 +90,30 @@ class UrlGeneratorTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('http://localhost/app.php/testing?foo=bar', $url);
     }
 
+    public function testUrlWithExtraParametersFromGlobals()
+    {
+        $routes = $this->getRoutes('test', new Route('/testing'));
+        $generator = $this->getGenerator($routes);
+        $context = new RequestContext('/app.php');
+        $context->setParameter('bar', 'bar');
+        $generator->setContext($context);
+        $url = $generator->generate('test', array('foo' => 'bar'));
+
+        $this->assertEquals('/app.php/testing?foo=bar', $url);
+    }
+
+    public function testUrlWithGlobalParameter()
+    {
+        $routes = $this->getRoutes('test', new Route('/testing/{foo}'));
+        $generator = $this->getGenerator($routes);
+        $context = new RequestContext('/app.php');
+        $context->setParameter('foo', 'bar');
+        $generator->setContext($context);
+        $url = $generator->generate('test', array());
+
+        $this->assertEquals('/app.php/testing/bar', $url);
+    }
+
     /**
      * @expectedException \InvalidArgumentException
      */