diff --git a/config/xiao_flex_v2.conf b/config/xiao_flex_v2.conf
index 6afce3d..b5d62ed 100644
--- a/config/xiao_flex_v2.conf
+++ b/config/xiao_flex_v2.conf
@@ -5,3 +5,4 @@ CONFIG_ZMK_RGB_UNDERGLOW_AUTO_OFF_IDLE=n
 CONFIG_ZMK_RGB_UNDERGLOW=y
 CONFIG_WS2812_STRIP=y
 CONFIG_ZMK_RGB_UNDERGLOW_EXT_POWER=n
+CONFIG_ZMK_RGB_UNDERGLOW_EFF_START=3