diff --git a/config/corne.conf b/config/corne.conf
index eae0ea8..945d4a9 100644
--- a/config/corne.conf
+++ b/config/corne.conf
@@ -9,4 +9,4 @@
 CONFIG_ZMK_SLEEP=y
 CONFIG_ZMK_IDLE_TIMEOUT=30000
 # Sleep timeout to 15 minutes
-CONFIG_ZMK_IDLE_SLEEP_TIMEOUT=900000
+CONFIG_ZMK_IDLE_SLEEP_TIMEOUT=1800000