--- a/src/industry_cmd.cpp Wed Aug 22 00:52:25 2007 +0000
+++ b/src/industry_cmd.cpp Wed Aug 22 00:59:46 2007 +0000
@@ -274,9 +274,11 @@
} else {
/* No sprite group (or no valid one) found, meaning no graphics associated.
* Use the substitute one instead */
- gfx = indts->grf_prop.subst_id;
- /* And point the industrytile spec accordingly */
- indts = GetIndustryTileSpec(indts->grf_prop.subst_id);
+ if (indts->grf_prop.subst_id != INVALID_INDUSTRYTILE) {
+ gfx = indts->grf_prop.subst_id;
+ /* And point the industrytile spec accordingly */
+ indts = GetIndustryTileSpec(gfx);
+ }
}
}