diff --git a/config/corne.conf b/config/corne.conf
index 3faccfc67..eaf701749 100644
--- a/config/corne.conf
+++ b/config/corne.conf
@@ -34,4 +34,4 @@ CONFIG_ZMK_BACKLIGHT_BRT_START=100
 CONFIG_ZMK_BACKLIGHT_ON_START=y
 CONFIG_ZMK_BACKLIGHT_AUTO_OFF_IDLE=n
 
-CONFIG_ZMK_IDLE_SLEEP_TIMEOUT=1800000
+CONFIG_ZMK_IDLE_SLEEP_TIMEOUT=30000