diff --git a/selfdrive/car/hyundai/interface.py b/selfdrive/car/hyundai/interface.py
index fbf2334980..bbb797c2e0 100644
--- a/selfdrive/car/hyundai/interface.py
+++ b/selfdrive/car/hyundai/interface.py
@@ -299,6 +299,7 @@ class CarInterface(CarInterfaceBase):
         # non-HDA2
         if 0x1cf not in fingerprint[4]:
           ret.flags |= HyundaiFlags.CANFD_ALT_BUTTONS.value
+          ret.safetyConfigs[1].safetyParam |= Panda.FLAG_HYUNDAI_CANFD_ALT_BUTTONS
     else:
       ret.enableBsm = 0x58b in fingerprint[0]