diff --git a/src/screen.h b/src/screen.h
index 6d4d8b37..5f2eb926 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -119,7 +119,7 @@ class Screen : public PeriodicTask
 
     // Implementation to Adjust Brightness
     void adjustBrightness();
-    int brightness = 150;
+    uint8_t brightness = 150;
 
     /// Starts showing the Bluetooth PIN screen.
     //