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-rw-r--r--src/train_cmd.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index 2a639666d..c78300f19 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -1934,6 +1934,8 @@ CommandCost CmdForceTrainProceed(TileIndex tile, DoCommandFlag flags, uint32 p1,
Train *t = Train::GetIfValid(p1);
if (t == NULL) return CMD_ERROR;
+ if (!t->IsPrimaryVehicle()) return CMD_ERROR;
+
CommandCost ret = CheckOwnership(t->owner);
if (ret.Failed()) return ret;