diff -up gnome-panel-2.21.91/applets/clock/clock-location-tile.c.set-button gnome-panel-2.21.91/applets/clock/clock-location-tile.c
--- gnome-panel-2.21.91/applets/clock/clock-location-tile.c.set-button	2008-02-17 15:52:17.000000000 -0500
+++ gnome-panel-2.21.91/applets/clock/clock-location-tile.c	2008-02-17 15:52:54.000000000 -0500
@@ -223,6 +223,9 @@ enter_or_leave_tile (GtkWidget          
 {
         ClockLocationTilePrivate *priv = PRIVATE (tile);
 
+	if (event->mode != GDK_CROSSING_NORMAL) {
+		return TRUE;
+	}
         if (event->type == GDK_ENTER_NOTIFY) {
 	      	gint can_set;