diff --git a/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php b/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
index 7577b85a1213..967bb9fba10e 100644
--- a/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
+++ b/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
@@ -132,19 +132,24 @@ public function dispatch($eventName, Event $event = null)
         }
 
         $this->preProcess($eventName);
-        $this->preDispatch($eventName, $event);
-
-        $e = $this->stopwatch->start($eventName, 'section');
-
-        $this->dispatcher->dispatch($eventName, $event);
-
-        if ($e->isStarted()) {
-            $e->stop();
+        try {
+            $this->preDispatch($eventName, $event);
+            try {
+                $e = $this->stopwatch->start($eventName, 'section');
+                try {
+                    $this->dispatcher->dispatch($eventName, $event);
+                } finally {
+                    if ($e->isStarted()) {
+                        $e->stop();
+                    }
+                }
+            } finally {
+                $this->postDispatch($eventName, $event);
+            }
+        } finally {
+            $this->postProcess($eventName);
         }
 
-        $this->postDispatch($eventName, $event);
-        $this->postProcess($eventName);
-
         return $event;
     }