diff -r 488ecb9d3296 -r d8136dad6b1c src/order_gui.cpp
--- a/src/order_gui.cpp	Wed Jul 09 19:20:50 2008 +0000
+++ b/src/order_gui.cpp	Wed Jul 09 19:30:44 2008 +0000
@@ -543,6 +543,7 @@
 				assert(w->widget[ORDER_WIDGET_REFIT].bottom        == w->widget[ORDER_WIDGET_UNLOAD].bottom);
 				assert(w->widget[ORDER_WIDGET_REFIT].display_flags == w->widget[ORDER_WIDGET_UNLOAD].display_flags);
 			}
+		if (GetVehicle(w->window_number)->num_orders == 0) return;
 
 			if (_patches.timetabling) {
 				w->widget[ORDER_WIDGET_CAPTION].right -= 61;