diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index 96e54c6668..94594ddc9f 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -1618,7 +1618,7 @@ modify_allocation_for_window_grip (GtkWidget     *widget,
     translated_rect = *allocation;
   else
     {
-      gtk_widget_translate_coordinates (gtk_widget_get_parent (widget),
+      gtk_widget_translate_coordinates (parent,
                                         window,
                                         allocation->x, allocation->y,
                                         &x, &y);