diff -ruN xfdesktop-master.orig/settings/main.c xfdesktop-master/settings/main.c
--- xfdesktop-master.orig/settings/main.c	2019-01-16 00:00:00.000000000 +0100
+++ xfdesktop-master/settings/main.c	2019-01-16 00:00:00.000000000 +0100
@@ -1747,7 +1747,7 @@
     GtkWindow *window = GTK_WINDOW (gtk_widget_get_toplevel(GTK_WIDGET(combo)));
 
     if(!xfce_dialog_confirm(window, "view-sort-ascending", _("Arrange icons"),
-                            "", question))
+                            NULL, "%s", question))
     {
         return;
     }