diff --git a/keyboards/kbd8x/rules.mk b/keyboards/kbd8x/rules.mk
index 3bb473ba8..46e9732ea 100644
--- a/keyboards/kbd8x/rules.mk
+++ b/keyboards/kbd8x/rules.mk
@@ -62,6 +62,7 @@ SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
 # if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 NKRO_ENABLE = no            # USB Nkey Rollover
 BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality on B7 by default
+RGBLIGHT_ENABLE ?= yes      # Enable keyboard RGB underglow
 MIDI_ENABLE = no            # MIDI support (+2400 to 4200, depending on config)
 UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID