diff --git a/src/newgrf_industrytiles.cpp b/src/newgrf_industrytiles.cpp --- a/src/newgrf_industrytiles.cpp +++ b/src/newgrf_industrytiles.cpp @@ -207,7 +207,7 @@ bool DrawNewIndustryTile(TileInfo *ti, I if (HASBIT(inds->callback_flags, CBM_INDT_DRAW_FOUNDATIONS)) { /* Called to determine the type (if any) of foundation to draw for industry tile */ uint32 callback_res = GetIndustryTileCallback(CBID_INDUSTRY_DRAW_FOUNDATIONS, 0, 0, gfx, i, ti->tile); - draw_old_one = callback_res == 0 || callback_res == CALLBACK_FAILED; + draw_old_one = callback_res != 0; } if (draw_old_one) DrawFoundation(ti, ti->tileh);