diff --git a/selfdrive/car/hyundai/interface.py b/selfdrive/car/hyundai/interface.py
index 5dbb3bd7c8..9bfeda7df0 100644
--- a/selfdrive/car/hyundai/interface.py
+++ b/selfdrive/car/hyundai/interface.py
@@ -47,6 +47,7 @@ class CarInterface(CarInterfaceBase):
         # non-HDA2
         if 0x1cf not in fingerprint[CAN.ECAN]:
           ret.flags |= HyundaiFlags.CANFD_ALT_BUTTONS.value
+          ret.customStockLongAvailable = False
         # ICE cars do not have 0x130; GEARS message on 0x40 or 0x70 instead
         if 0x130 not in fingerprint[CAN.ECAN]:
           if 0x40 not in fingerprint[CAN.ECAN]: