diff --git a/src/Illuminate/Events/CallQueuedListener.php b/src/Illuminate/Events/CallQueuedListener.php
index 41ecebe36d89..b362dd6c13a2 100644
--- a/src/Illuminate/Events/CallQueuedListener.php
+++ b/src/Illuminate/Events/CallQueuedListener.php
@@ -28,7 +28,7 @@ class CallQueuedListener implements ShouldQueue
     /**
      * The data to be passed to the listener.
      *
-     * @var string
+     * @var array
      */
     public $data;
 
@@ -37,7 +37,7 @@ class CallQueuedListener implements ShouldQueue
      *
      * @param  string  $class
      * @param  string  $method
-     * @param  string  $data
+     * @param  array  $data
      * @return void
      */
     public function __construct($class, $method, $data)
@@ -55,12 +55,14 @@ public function __construct($class, $method, $data)
      */
     public function handle(Container $container)
     {
+        $this->prepareData();
+
         $handler = $this->setJobInstanceIfNecessary(
             $this->job, $container->make($this->class)
         );
 
         call_user_func_array(
-            [$handler, $this->method], unserialize($this->data)
+            [$handler, $this->method], $this->data
         );
     }
 
@@ -90,15 +92,29 @@ protected function setJobInstanceIfNecessary(Job $job, $instance)
      */
     public function failed($e)
     {
+        $this->prepareData();
+
         $handler = Container::getInstance()->make($this->class);
 
-        $parameters = array_merge(unserialize($this->data), [$e]);
+        $parameters = array_merge($this->data, [$e]);
 
         if (method_exists($handler, 'failed')) {
             call_user_func_array([$handler, 'failed'], $parameters);
         }
     }
 
+    /**
+     * Unserialize the data if needed.
+     *
+     * @return void
+     */
+    protected function prepareData()
+    {
+        if (is_string($this->data)) {
+            $this->data = unserialize($this->data);
+        }
+    }
+
     /**
      * Get the display name for the queued job.
      *
diff --git a/src/Illuminate/Events/Dispatcher.php b/src/Illuminate/Events/Dispatcher.php
index cc304e6e44b0..256c07491da4 100755
--- a/src/Illuminate/Events/Dispatcher.php
+++ b/src/Illuminate/Events/Dispatcher.php
@@ -458,7 +458,7 @@ protected function queueHandler($class, $method, $arguments)
 
         $this->resolveQueue()
                 ->connection($connection)
-                ->pushOn($queue, new CallQueuedListener($class, $method, serialize($arguments)));
+                ->pushOn($queue, new CallQueuedListener($class, $method, $arguments));
     }
 
     /**