diff --git a/src/Common/Util/Validation.php b/src/Common/Util/Validation.php
index b7dca72..503d602 100644
--- a/src/Common/Util/Validation.php
+++ b/src/Common/Util/Validation.php
@@ -8,7 +8,7 @@
  */
 namespace Common\Util;
 
-use Doctrine\Instantiator\Exception\InvalidArgumentException;
+use \InvalidArgumentException;
 
 class Validation {
 
@@ -146,4 +146,4 @@ public static function validateString($value) {
 			throw new InvalidArgumentException('Value is not a string.');
 		}
 	}
-}
\ No newline at end of file
+}