diff --git a/src/mainboard/google/reef/variants/coral/include/variant/ec.h b/src/mainboard/google/reef/variants/coral/include/variant/ec.h
index 586f1064f4..4f5051b384 100644
--- a/src/mainboard/google/reef/variants/coral/include/variant/ec.h
+++ b/src/mainboard/google/reef/variants/coral/include/variant/ec.h
@@ -18,4 +18,7 @@
 
 #include <baseboard/ec.h>
 
+/* Enable EC backed Keyboard Backlight in ACPI */
+#define EC_ENABLE_KEYBOARD_BACKLIGHT
+
 #endif