diff --git a/src/SleepingOwl/Admin/FormItems/NamedFormItem.php b/src/SleepingOwl/Admin/FormItems/NamedFormItem.php
index c01b4739..4d848fdb 100644
--- a/src/SleepingOwl/Admin/FormItems/NamedFormItem.php
+++ b/src/SleepingOwl/Admin/FormItems/NamedFormItem.php
@@ -148,7 +148,7 @@ public function getValidationRules()
 			{
 				$table = $this->instance()->getTable();
 				$item = 'unique:' . $table . ',' . $this->attribute();
-				if ($this->instance()->exists())
+				if ($this->instance()->exists)
 				{
 					$item .= ',' . $this->instance()->getKey();
 				}