diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index 05d95613e0..5a4c854fed 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -885,6 +885,7 @@ static void AddWagonToConsist(Vehicle *v, Vehicle *dest)
 	if (dest == NULL) return;
 
 	Vehicle *next = dest->Next();
+	v->SetNext(NULL);
 	dest->SetNext(v);
 	v->SetNext(next);
 	ClearFreeWagon(v);