diff --git a/CHANGELOG b/CHANGELOG
index 71d768ae..3e01de3d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+2014-11-17, v1.1.3
+------------------
+
+* Bugfix: Unique validation rule fixed
+
 2014-11-08, v1.1.2
 ------------------
 
diff --git a/src/SleepingOwl/Admin/Validation/Validator.php b/src/SleepingOwl/Admin/Validation/Validator.php
index 1c31d451..12a868dc 100644
--- a/src/SleepingOwl/Admin/Validation/Validator.php
+++ b/src/SleepingOwl/Admin/Validation/Validator.php
@@ -53,10 +53,13 @@ protected function validateUrlStubFull($attribute, $value, $parameters)
 	 */
 	protected function validateUnique($attribute, $value, $parameters)
 	{
-		$id = $this->customAttributes['id'];
-		if ($id !== null)
+		if (isset($this->customAttributes['id']))
 		{
-			$parameters[] = $id;
+			$id = $this->customAttributes['id'];
+			if ($id !== null)
+			{
+				$parameters[] = $id;
+			}
 		}
 		return parent::validateUnique($attribute, $value, $parameters);
 	}