diff --git a/src/modules/conf_window_manipulation/e_int_config_clientlist.c b/src/modules/conf_window_manipulation/e_int_config_clientlist.c
index 0d44817c2..c81cbfa93 100644
--- a/src/modules/conf_window_manipulation/e_int_config_clientlist.c
+++ b/src/modules/conf_window_manipulation/e_int_config_clientlist.c
@@ -71,7 +71,7 @@ _free_data(E_Config_Dialog *cfd __UNUSED__, E_Config_Dialog_Data *cfdata)
 }
 
 static int
-_basic_check_changed(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata)
+_basic_check_changed(E_Config_Dialog *cfd __UNUSED__, E_Config_Dialog_Data *cfdata)
 {
    return (e_config->clientlist_group_by != cfdata->group_by) ||
           (e_config->clientlist_include_all_zones != cfdata->include_all_zones) ||