diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 60b98182db..07a71d62c3 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -1890,7 +1890,7 @@ static bool IndustriesChangeInfo(uint indid, int numinfo, int prop, byte **bufp,
 
 							copy_from = (IndustryTileTable*)_origin_industry_specs[type].table[laynbr];
 							for (size = 1;; size++) {
-								if (copy_from[size - 1].ti.x == -0x80 && copy_from[size - 1].ti.y) break;
+								if (copy_from[size - 1].ti.x == -0x80 && copy_from[size - 1].ti.y == 0) break;
 							}
 							break;
 						}