diff -r 908a23fd464f -r 04b19f551aec src/vehicle.cpp
--- a/src/vehicle.cpp	Wed Mar 21 11:50:34 2007 +0000
+++ b/src/vehicle.cpp	Wed Mar 21 13:19:01 2007 +0000
@@ -772,7 +772,7 @@
 	uint32 refit_mask = EngInfo(engine_type)->refit_mask;
 
 	if (refit_mask != 0) {
-		for (CargoID cid = CT_PASSENGERS; cid < NUM_CARGO; cid++) {
+		for (CargoID cid = 0; cid < NUM_CARGO; cid++) {
 			if (HASBIT(refit_mask, cid)) return cid;
 		}
 	}