diff --git a/classes/helper/HelperList.php b/classes/helper/HelperList.php
index c7d6ca626..34db27bdf 100644
--- a/classes/helper/HelperList.php
+++ b/classes/helper/HelperList.php
@@ -124,7 +124,7 @@ class HelperListCore extends Helper
 		// Append when we get a syntax error in SQL query
 		if ($list === false)
 		{
-			$this->displayWarning($this->l('Bad SQL query', 'Helper'));
+			$this->context->controller->warnings[] = $this->l('Bad SQL query', 'Helper');
 			return false;
 		}