diff --git a/.travis.yml b/.travis.yml
index 42cdc02bae..af674057da 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: php
 
+dist: precise
 sudo: false
 
 git:
diff --git a/src/Symfony/Component/Security/Http/HttpUtils.php b/src/Symfony/Component/Security/Http/HttpUtils.php
index ed737a2f61..56add79926 100644
--- a/src/Symfony/Component/Security/Http/HttpUtils.php
+++ b/src/Symfony/Component/Security/Http/HttpUtils.php
@@ -108,7 +108,7 @@ class HttpUtils
                     $parameters = $this->urlMatcher->match($request->getPathInfo());
                 }
 
-                return $path === $parameters['_route'];
+                return isset($parameters['_route']) && $path === $parameters['_route'];
             } catch (MethodNotAllowedException $e) {
                 return false;
             } catch (ResourceNotFoundException $e) {
diff --git a/src/Symfony/Component/Security/Http/Tests/HttpUtilsTest.php b/src/Symfony/Component/Security/Http/Tests/HttpUtilsTest.php
index 3d0e63b6fe..b508012665 100644
--- a/src/Symfony/Component/Security/Http/Tests/HttpUtilsTest.php
+++ b/src/Symfony/Component/Security/Http/Tests/HttpUtilsTest.php
@@ -221,6 +221,19 @@ class HttpUtilsTest extends TestCase
         $utils->checkRequestPath($this->getRequest(), 'foobar');
     }
 
+    public function testCheckPathWithoutRouteParam()
+    {
+        $urlMatcher = $this->getMockBuilder('Symfony\Component\Routing\Matcher\UrlMatcherInterface')->getMock();
+        $urlMatcher
+            ->expects($this->any())
+            ->method('match')
+            ->willReturn(array('_controller' => 'PathController'))
+        ;
+
+        $utils = new HttpUtils(null, $urlMatcher);
+        $this->assertFalse($utils->checkRequestPath($this->getRequest(), 'path/index.html'));
+    }
+
     /**
      * @expectedException \InvalidArgumentException
      * @expectedExceptionMessage Matcher must either implement UrlMatcherInterface or RequestMatcherInterface