diff --git a/source/ubl-settings-usergroups.c b/source/ubl-settings-usergroups.c
index a4dbc74..970259e 100644
--- a/source/ubl-settings-usergroups.c
+++ b/source/ubl-settings-usergroups.c
@@ -1769,7 +1769,7 @@ void on_parameter_changed(GtkWidget *self,ubl_settings_usergroups_user_window *w
 
 	int do_not_check_actve = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(window->userDontCheckCheck));
 	if (do_not_check_actve)
-		do_not_check = " --badnames";
+		do_not_check = "--badnames";
 
 	login = (char*)gtk_entry_get_text(GTK_ENTRY(window->userLoginEntry));
 	if (login[0]>'0'&&login[0]<'9'&&!do_not_check_actve){