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-rw-r--r--src/rail_cmd.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index 1e5573881..ae7178c18 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -699,7 +699,7 @@ static CommandCost CmdRailTrackHelper(TileIndex tile, DoCommandFlag flags, uint3
if (!IsDiagonalTrackdir(trackdir)) ToggleBit(trackdir, 0);
}
- return (total_cost.GetCost() == 0) ? CommandCost(remove ? INVALID_STRING_ID : STR_1007_ALREADY_BUILT) : total_cost;
+ return (total_cost.GetCost() == 0) ? CommandCost(remove ? INVALID_STRING_ID : (_error_message == INVALID_STRING_ID ? STR_1007_ALREADY_BUILT : _error_message)) : total_cost;
}
/** Build rail on a stretch of track.