--- a/src/train_cmd.cpp	Mon Dec 03 22:40:18 2007 +0000
+++ b/src/train_cmd.cpp	Tue Dec 04 15:32:54 2007 +0000
@@ -885,6 +885,7 @@
 	if (dest == NULL) return;
 
 	Vehicle *next = dest->Next();
+	v->SetNext(NULL);
 	dest->SetNext(v);
 	v->SetNext(next);
 	ClearFreeWagon(v);