diff --git a/selfdrive/car/gm/carcontroller.py b/selfdrive/car/gm/carcontroller.py
index ce572ce86c..bd7e33fa14 100644
--- a/selfdrive/car/gm/carcontroller.py
+++ b/selfdrive/car/gm/carcontroller.py
@@ -221,7 +221,7 @@ class CarController(CarControllerBase):
           if not (self.v_tsc_state != 0 or self.m_tsc_state > 1) and abs(self.target_speed - self.v_set_dis) <= 2:
             send_freq = 3
           if self.frame % 12 < 6:  # thanks to mochi86420 for the magic numbers
-            can_sends.extend([gmcan.create_buttons(self.packer_pt, CanBus.CAMERA, (CS.button_counter + 2) % 4, self.cruise_button)] * 3)
+            can_sends.extend([gmcan.create_buttons(self.packer_pt, CanBus.CAMERA, (CS.buttons_counter + 2) % 4, self.cruise_button)] * 3)
 
     if self.CP.networkLocation == NetworkLocation.fwdCamera:
       # Silence "Take Steering" alert sent by camera, forward PSCMStatus with HandsOffSWlDetectionStatus=1