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-rw-r--r--src/train_cmd.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index 138ab381f..5efcb9789 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -1112,7 +1112,9 @@ static CommandCost CheckNewTrainLength(const Train *dst_head, const Train *src_h
* will be within the required lengths. */
if (src_len + dst_len <= max_len) return CommandCost();
- if (!move_chain && !src_head->IsFrontEngine() && src_head == src && (src_len - 1) > max_len) {
+ if (!move_chain && !src_head->IsFrontEngine() && src_head == src &&
+ /* First case moving within, second is make a new one */
+ (src_head == dst_head ? src_len : src_len - 1) > max_len) {
/* Moving of a *single* non-engine at the front of the chain,
* i.e. a free wagon list. If the next unit is an engine a new
* train will be created instead of removing a vehicle from a