diff --git a/selfdrive/ui/ui_state.py b/selfdrive/ui/ui_state.py
index e31ec498c0..c6dfe19941 100644
--- a/selfdrive/ui/ui_state.py
+++ b/selfdrive/ui/ui_state.py
@@ -263,7 +263,7 @@ class Device(DeviceSP):
     brightness = round(self._brightness_filter.update(clipped_brightness))
 
     if gui_app.sunnypilot_ui() and ui_state.global_brightness_override != 0:
-      brightness = self.update_custom_global_brightness(ui_state.global_brightness_override)
+      brightness = DeviceSP.update_custom_global_brightness(ui_state.global_brightness_override)
 
     if not self._awake:
       brightness = 0