--- a/train_cmd.c	Sun Jan 30 18:40:52 2005 +0000
+++ b/train_cmd.c	Sun Jan 30 18:51:08 2005 +0000
@@ -873,7 +873,7 @@
 
 	v = GetVehicle(p1);
 
-	if (v->type == 0 || !CheckOwnership(v->owner))
+	if (v->type != VEH_Train || !CheckOwnership(v->owner))
 		return CMD_ERROR;
 
 	// get first vehicle in chain