diff -up ./src/xfcetimer.c.orig ./src/xfcetimer.c --- ./src/xfcetimer.c.orig 2014-09-02 18:59:14.706955644 +0300 +++ ./src/xfcetimer.c 2014-09-02 18:59:36.322112590 +0300 @@ -190,7 +190,7 @@ static gboolean update_function (gpointe dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, - GTK_BUTTONS_NONE, dialog_message); + GTK_BUTTONS_NONE, "%s", dialog_message); gtk_window_set_title ((GtkWindow *) dialog, dialog_title); //empty line