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-rw-r--r--src/engine.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/engine.cpp b/src/engine.cpp
index 94574b492..90fd63f77 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -507,6 +507,10 @@ void RemoveAllEngineReplacement(EngineRenewList *erl)
EngineID EngineReplacement(EngineRenewList erl, EngineID engine, GroupID group)
{
const EngineRenew *er = GetEngineReplacement(erl, engine, group);
+ if (er == NULL && (group == DEFAULT_GROUP || (IsValidGroupID(group) && !GetGroup(group)->replace_protection))) {
+ /* We didn't find anything useful in the vehicle's own group so we will try ALL_GROUP */
+ er = GetEngineReplacement(erl, engine, ALL_GROUP);
+ }
return er == NULL ? INVALID_ENGINE : er->to;
}