diff --git a/setup.php b/setup.php
index 729af9f..52f6d36 100755
--- a/setup.php
+++ b/setup.php
@@ -208,7 +208,7 @@ function plugin_example_giveItem($type,$field,$data,$num,$linkfield=""){
 	return "";
 }
 
-function plugin_example_addLeftJoin($type,$ref_table,$new_table,$linkfield,&$already_link_tables){
+function plugin_example_addLeftJoin($type,$ref_table,$new_table,$linkfield){
 
 	// Example of standard LEFT JOIN  clause but use it ONLY for specific LEFT JOIN
 	// No need of the function if you do not have specific cases