diff --git a/src/Cloud.php b/src/Cloud.php
index 74a53fa..6cb8a56 100644
--- a/src/Cloud.php
+++ b/src/Cloud.php
@@ -244,7 +244,7 @@ public function setTagDecorator($decorator)
         }
 
         if (!($decorator instanceof Cloud\Decorator\AbstractTag)) {
-            throw new Exception\InvalidArgumentException('DecoratorInterface is no instance of Cloud\Decorator\Tag');
+            throw new Exception\InvalidArgumentException('DecoratorInterface is no instance of Cloud\Decorator\AbstractTag');
         }
 
         $this->tagDecorator = $decorator;