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-rw-r--r--src/newgrf_industrytiles.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/newgrf_industrytiles.cpp b/src/newgrf_industrytiles.cpp
index f79222e8e..8ee95cfc9 100644
--- a/src/newgrf_industrytiles.cpp
+++ b/src/newgrf_industrytiles.cpp
@@ -279,7 +279,7 @@ bool PerformIndustryTileSlopeCheck(TileIndex ind_base_tile, TileIndex ind_tile,
return !IsSlopeRefused(GetTileSlope(ind_tile, NULL), its->slopes_refused);
}
if (its->grf_prop.grffile->grf_version < 7) {
- return (callback_res & 0xFF) != 0; // mask to 8 bit callback result
+ return callback_res != 0;
}
/* Copy some parameters from the registers to the error message text ref. stack */