diff -r d1d1b0d60fed -r 67358999d80d src/viewport.cpp
--- a/src/viewport.cpp	Wed Feb 07 18:01:26 2007 +0000
+++ b/src/viewport.cpp	Wed Feb 07 19:10:19 2007 +0000
@@ -1738,7 +1738,7 @@
 	v = CheckClickOnVehicle(vp, x, y);
 	if (v != NULL) {
 		DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
-		_on_vehicle_click_proc[v->type - 0x10](v);
+		_on_vehicle_click_proc[v->type](v);
 	}
 }