diff --git a/override/classes/_Tools.php b/override/classes/_Tools.php
index 7c5b588ff..91c64b8fb 100755
--- a/override/classes/_Tools.php
+++ b/override/classes/_Tools.php
@@ -168,7 +168,7 @@ class Tools extends ToolsCore
 	* Display a warning message indicating that the method is deprecated
 	* (display in firefox console if Firephp is enabled)
 	*/
-	public static function displayAsDeprecated()
+	public static function displayAsDeprecated($message = null)
 	{
 		if (_PS_DISPLAY_COMPATIBILITY_WARNING_)
 		{