diff --git a/xinitrc b/xinitrc
index ab6f7f9..e8c0eb9 100755
--- a/xinitrc
+++ b/xinitrc
@@ -21,6 +21,9 @@ fi
 # autolock on suspend
 xss-lock -- i3lock --nofork &
 
+# autolock after 5 minutes of inactivity
+xset s 300
+
 # set background
 feh --randomize --bg-fill ~/misc/wallpapers