diff --git a/board/hammer/board.h b/board/hammer/board.h
index 63f750f9a2..506105611d 100644
--- a/board/hammer/board.h
+++ b/board/hammer/board.h
@@ -138,6 +138,7 @@
 #ifdef SECTION_IS_RW
 #define CONFIG_USB_HID
 #define CONFIG_USB_HID_KEYBOARD
+#define CONFIG_USB_HID_KEYBOARD_BACKLIGHT
 #define CONFIG_USB_HID_TOUCHPAD
 
 #ifdef BOARD_STAFF