diff --git a/src/newgrf_commons.cpp b/src/newgrf_commons.cpp
index 496e011cc5..b4e91d6881 100644
--- a/src/newgrf_commons.cpp
+++ b/src/newgrf_commons.cpp
@@ -459,7 +459,7 @@ uint32 GetNearbyTileInformation(TileIndex tile, bool grf_version8, uint32 mask)
 
 		result |= tile_type << 24;
 	}
-	if (mask & 0xFF00) {
+	if (mask & 0xFE00) {
 		/* Return 0 if the tile is a land tile */
 		byte terrain_type = (HasTileWaterClass(tile) ? (GetWaterClass(tile) + 1) & 3 : 0) << 5 | GetTerrainType(tile) << 2 | (tile_type == MP_WATER ? 1 : 0) << 1;
 		result |= terrain_type << 8;