diff options
| -rw-r--r-- | src/vehicle.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/vehicle.cpp b/src/vehicle.cpp index 1a94c9f82..08b2aa749 100644 --- a/src/vehicle.cpp +++ b/src/vehicle.cpp @@ -1616,6 +1616,8 @@ CommandCost Vehicle::SendToDepot(DoCommandFlag flags, DepotCommand command) void Vehicle::SetNext(Vehicle *next) { + assert(this != next); + if (this->next != NULL) { /* We had an old next vehicle. Update the first and previous pointers */ for (Vehicle *v = this->next; v != NULL; v = v->Next()) { |