diff --git a/selfdrive/car/honda/interface.py b/selfdrive/car/honda/interface.py
index e8168cd620..f8d46f97c5 100755
--- a/selfdrive/car/honda/interface.py
+++ b/selfdrive/car/honda/interface.py
@@ -280,7 +280,7 @@ class CarInterface(CarInterfaceBase):
       ret.flags |= HondaFlags.BOSCH_ALT_BRAKE.value
       ret.safetyConfigs[0].safetyParam |= Panda.FLAG_HONDA_ALT_BRAKE
 
-    assert (candidate in HONDA_BOSCH_ALT_BRAKE_SIGNAL) == bool(ret.flags & HondaFlags.BOSCH_ALT_BRAKE.value), (ret.flags & HondaFlags.BOSCH_ALT_BRAKE.value)
+    assert (candidate in HONDA_BOSCH_ALT_BRAKE_SIGNAL) != bool(ret.flags & HondaFlags.BOSCH_ALT_BRAKE.value), (ret.flags & HondaFlags.BOSCH_ALT_BRAKE.value)
 
     # These cars use alternate SCM messages (SCM_FEEDBACK AND SCM_BUTTON)
     if candidate in HONDA_NIDEC_ALT_SCM_MESSAGES: