diff --git a/train_cmd.c b/train_cmd.c
--- a/train_cmd.c
+++ b/train_cmd.c
@@ -602,11 +602,11 @@ int32 CmdBuildRailVehicle(int x, int y, 
 	if (rvi->flags & RVI_WAGON) return CmdBuildRailWagon(p1, tile, flags);
 
 	value = EstimateTrainCost(rvi);
-		
+
 	//make sure we only pay for half a dualheaded engine if we only requested half of it
 	if (rvi->flags&RVI_MULTIHEAD && HASBIT(p2,0))
 		value /= 2;
-	
+
 
 	if (!(flags & DC_QUERY_COST)) {
 		v = AllocateVehicle();