--- a/src/order_gui.cpp Sun Jun 08 08:44:19 2008 +0000
+++ b/src/order_gui.cpp Sun Jun 08 09:14:30 2008 +0000
@@ -566,6 +566,7 @@
{
/* Don't skip when there's nothing to skip */
if (_ctrl_pressed && w->vehicle->cur_order_index == w->OrderGetSel()) return;
+ if (w->vehicle->num_orders == 0) return;
DoCommandP(w->vehicle->tile, w->vehicle->index, _ctrl_pressed ? w->OrderGetSel() : ((w->vehicle->cur_order_index + 1) % w->vehicle->num_orders),
NULL, CMD_SKIP_TO_ORDER | CMD_MSG(_ctrl_pressed ? STR_CAN_T_SKIP_TO_ORDER : STR_CAN_T_SKIP_ORDER));