diff --git a/source/ubl-settings-usergroups.c b/source/ubl-settings-usergroups.c
index 42b4ca2..4b70649 100644
--- a/source/ubl-settings-usergroups.c
+++ b/source/ubl-settings-usergroups.c
@@ -1823,8 +1823,8 @@ void yon_system_load(main_window *window){
 
 void on_system_update(GtkWidget *, main_window *window){
 	
-	gtk_list_store_clear(widgets->UsersList);
-	gtk_list_store_clear(widgets->GroupsList);
+	gtk_list_store_clear(window->UsersList);
+	gtk_list_store_clear(window->GroupsList);
 	if (main_config.groups_size) yon_char_parsed_free(main_config.groups,main_config.groups_size);
 	if (main_config.users_size) yon_char_parsed_free(main_config.users,main_config.users_size);
 	if (main_config.shadow_size) yon_char_parsed_free(main_config.shadow,main_config.shadow_size);