diff --git a/src/main b/src/main
index 3c86b62..cfdc6da 100755
--- a/src/main
+++ b/src/main
@@ -180,12 +180,17 @@ echo "====================="
 xdg-settings set default-web-browser firefox.desktop
 
 echo "## gnome default settings"
-echo "============="
+echo "========================="
 gsettings set org.gnome.nautilus.preferences click-policy 'single'
 gsettings set org.gnome.mutter dynamic-workspaces false
 gsettings set org.gnome.desktop.wm.preferences num-workspaces 1
 gsettings set org.gnome.desktop.peripherals.touchpad tap-to-click true
 
+echo "## disable automatic lock screen => use Super_L for LOCK"
+echo "========================================================"
+gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type nothing
+gsettings set org.gnome.desktop.screensaver lock-enabled false
+
 echo "## favorite apps"
 echo "================"
 favorite_apps=$(gsettings get org.gnome.shell favorite-apps)