--- a/src/train_cmd.cpp	Tue Feb 13 10:26:53 2007 +0000
+++ b/src/train_cmd.cpp	Tue Feb 13 10:43:50 2007 +0000
@@ -3022,7 +3022,7 @@
 					if (IsFrontEngine(v) && !TrainCheckIfLineEnds(v)) return;
 
 					r = VehicleEnterTile(v, gp.new_tile, gp.x, gp.y);
-					if (HASBIT(r, VETS_ENTERED_WORMHOLE)) {
+					if (HASBIT(r, VETS_CANNOT_ENTER)) {
 						goto invalid_rail;
 					}
 					if (HASBIT(r, VETS_ENTERED_STATION)) {