diff --git a/config/boards/shields/hammer40/hammer40.conf b/config/boards/shields/hammer40/hammer40.conf
index b013c4b..ab813a6 100644
--- a/config/boards/shields/hammer40/hammer40.conf
+++ b/config/boards/shields/hammer40/hammer40.conf
@@ -30,6 +30,9 @@ CONFIG_BT_CTLR_TX_PWR_PLUS_8=y
 # Enable deep sleep
 CONFIG_ZMK_SLEEP=y
 
+# Enable soft-off
+CONFIG_ZMK_PM_SOFT_OFF=y
+
 # Config for https://github.com/caksoylar/zmk-rgbled-widget
 CONFIG_RGBLED_WIDGET_INTERVAL_MS=250
 CONFIG_RGBLED_WIDGET_BATTERY_LEVEL_CRITICAL=10