diff --git a/source/ubinstall-gtk-ui-lang.c b/source/ubinstall-gtk-ui-lang.c
index ff5332a..ed1df33 100644
--- a/source/ubinstall-gtk-ui-lang.c
+++ b/source/ubinstall-gtk-ui-lang.c
@@ -196,7 +196,10 @@ void yon_set_locales_list(main_window *widgets){
         if (!yon_char_is_empty(config_code)){
             char *temp = strstr(config_code,".");
             if (temp) temp[0]='\0';
-            if (!strcmp(config_code,compare_target)){
+            char *compare_lang_ab =yon_locale_get_parameter(compare_target,YON_LOCALE_LANG_AB);
+            temp = strstr(config_code,"_");
+            if (temp) temp[0]='\0';
+            if (!strcmp(config_code,compare_lang_ab)){
                 gtk_widget_realize(widgets->LanguagesTree);
                 GtkTreePath *path = gtk_tree_model_get_path(GTK_TREE_MODEL(widgets->InstallerLanguageList),&iter);
                 gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(widgets->LanguagesTree),path,0,0,0,0);