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-rw-r--r--src/newgrf_house.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/newgrf_house.cpp b/src/newgrf_house.cpp
index aa462f8a8..604bb3660 100644
--- a/src/newgrf_house.cpp
+++ b/src/newgrf_house.cpp
@@ -547,6 +547,8 @@ static void DoTriggerHouse(TileIndex tile, HouseTrigger trigger, byte base_rando
HouseID hid = GetHouseType(tile);
HouseSpec *hs = GetHouseSpecs(hid);
+ if (hs->spritegroup == NULL) return;
+
NewHouseResolver(&object, hid, tile, GetTownByTile(tile));
object.callback = CBID_RANDOM_TRIGGER;