diff --git a/source/ubl-settings-usergroups.c b/source/ubl-settings-usergroups.c
index 80c906f..9047e13 100644
--- a/source/ubl-settings-usergroups.c
+++ b/source/ubl-settings-usergroups.c
@@ -443,7 +443,7 @@ void on_config_save(GtkWidget *self, main_window *widgets){
 						}
 						char *old_final = yon_char_parsed_to_string(old_parsed,old_size,":");
 						char *new_final = yon_char_parsed_to_string(new_parsed,new_size,":");
-						if (!strcmp(old_final,new_final)){
+						if (old_final&&new_final&&!strcmp(old_final,new_final)){
 							gtk_list_store_set(window->list,&iter,5,0,-1);
 						}
 						free(old_final);
@@ -2349,7 +2349,6 @@ ubl_settings_usergroups_user_window *yon_ubl_settings_usergroups_user_new(){
 	window->userTitleNameLabel=yon_gtk_builder_get_widget(builder,"userTitleNameLabel");
 	window->expiration_unix=NULL;
 
-
 	time_t t = time(NULL);
 	struct tm tm = *localtime(&t);
 	gtk_calendar_select_day(GTK_CALENDAR(window->ExpirationCalendar),tm.tm_mday);