diff --git a/src/mainboard/google/reef/variants/sand/include/variant/ec.h b/src/mainboard/google/reef/variants/sand/include/variant/ec.h
index 80cf80673f..e4377c88c3 100644
--- a/src/mainboard/google/reef/variants/sand/include/variant/ec.h
+++ b/src/mainboard/google/reef/variants/sand/include/variant/ec.h
@@ -62,6 +62,9 @@
 /* Enable EC backed ALS device in ACPI */
 #define EC_ENABLE_ALS_DEVICE
 
+/* Enable EC backed Keyboard Backlight in ACPI */
+#define EC_ENABLE_KEYBOARD_BACKLIGHT
+
 /* Enable EC backed PD MCU device in ACPI */
 #define EC_ENABLE_PD_MCU_DEVICE