diff --git a/src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php b/src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php
index be898210af..934c8477a5 100644
--- a/src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php
+++ b/src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php
@@ -133,7 +133,13 @@ class RequestDataCollector extends DataCollector implements EventSubscriberInter
                     }
                 }
             } elseif ($controller instanceof \Closure) {
-                $this->data['controller'] = 'Closure';
+                $r = new \ReflectionFunction($controller);
+                $this->data['controller'] = array(
+                    'class'  => $r->getName(),
+                    'method' => null,
+                    'file'   => $r->getFilename(),
+                    'line'   => $r->getStartLine(),
+                );
             } else {
                 $this->data['controller'] = (string) $controller ?: 'n/a';
             }
diff --git a/src/Symfony/Component/HttpKernel/Tests/DataCollector/RequestDataCollectorTest.php b/src/Symfony/Component/HttpKernel/Tests/DataCollector/RequestDataCollectorTest.php
index 7e31d0626d..133d33a7a3 100644
--- a/src/Symfony/Component/HttpKernel/Tests/DataCollector/RequestDataCollectorTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/DataCollector/RequestDataCollectorTest.php
@@ -81,7 +81,12 @@ class RequestDataCollectorTest extends \PHPUnit_Framework_TestCase
             array(
                 'Closure',
                 function() { return 'foo'; },
-                'Closure',
+                array(
+                    'class' => __NAMESPACE__ . '\{closure}',
+                    'method' => null,
+                    'file' => __FILE__,
+                    'line' => __LINE__ - 5,
+                ),
             ),
 
             array(