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-rw-r--r--road_cmd.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/road_cmd.c b/road_cmd.c
index a2f6c730d..5de592401 100644
--- a/road_cmd.c
+++ b/road_cmd.c
@@ -518,7 +518,7 @@ int32 CmdBuildLongRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
- if (p1 > MapSize()) return CMD_ERROR;
+ if (p1 >= MapSize()) return CMD_ERROR;
start_tile = p1;
end_tile = TileVirtXY(x, y);
@@ -573,7 +573,7 @@ int32 CmdRemoveLongRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
- if (p1 > MapSize()) return CMD_ERROR;
+ if (p1 >= MapSize()) return CMD_ERROR;
start_tile = p1;
end_tile = TileVirtXY(x, y);