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Diffstat (limited to 'tunnelbridge_cmd.c')
-rw-r--r--tunnelbridge_cmd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tunnelbridge_cmd.c b/tunnelbridge_cmd.c
index d218e1596..68cc8246a 100644
--- a/tunnelbridge_cmd.c
+++ b/tunnelbridge_cmd.c
@@ -1225,7 +1225,7 @@ static void TileLoop_TunnelBridge(TileIndex tile)
break;
case LT_DESERT:
- if (GetMapExtraBits(tile) == 1 && !(_m[tile].m4 & 0x80)) {
+ if (GetTropicZone(tile) == TROPICZONE_DESERT && !(_m[tile].m4 & 0x80)) {
_m[tile].m4 |= 0x80;
MarkTileDirtyByTile(tile);
}