diff --git a/src/Goodby/CSV/Export/Standard/Collection/PdoCollection.php b/src/Goodby/CSV/Export/Standard/Collection/PdoCollection.php
index 2d680bb..1190c2c 100644
--- a/src/Goodby/CSV/Export/Standard/Collection/PdoCollection.php
+++ b/src/Goodby/CSV/Export/Standard/Collection/PdoCollection.php
@@ -53,7 +53,7 @@ public function next()
      */
     public function key()
     {
-        $this->current;
+        return $this->current;
     }
 
     /**