diff options
-rw-r--r-- | src/newgrf.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp index 0b6130a72..fd2e52e58 100644 --- a/src/newgrf.cpp +++ b/src/newgrf.cpp @@ -1560,7 +1560,7 @@ static ChangeInfoResult TownHouseChangeInfo(uint hid, int numinfo, int prop, byt break; case 0x14: // House callback mask - housespec->callback_mask = grf_load_byte(&buf); + housespec->callback_mask |= grf_load_byte(&buf); break; case 0x15: { // House override byte |