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-rw-r--r--newgrf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/newgrf.c b/newgrf.c
index 70bfdb5ab..8a687220b 100644
--- a/newgrf.c
+++ b/newgrf.c
@@ -590,14 +590,14 @@ static bool AircraftVehicleChangeInfo(uint engine, int numinfo, int prop, byte *
FOR_EACH_OBJECT {
uint8 heli = grf_load_byte(&buf);
avi[i].subtype &= ~0x01; // remove old property
- avi[i].subtype &= (heli == 0) ? 0 : 1;
+ avi[i].subtype |= (heli == 0) ? 0 : 1;
}
} break;
case 0x0A: { /* Large */
FOR_EACH_OBJECT {
uint8 large = grf_load_byte(&buf);
avi[i].subtype &= ~0x02; // remove old property
- avi[i].subtype &= (large == 1) ? 2 : 0;
+ avi[i].subtype |= (large == 1) ? 2 : 0;
}
} break;
case 0x0B: { /* Cost factor */