diff --git a/xmonad/.xmonad/xmonad.hs b/xmonad/.xmonad/xmonad.hs
index 069fe8f..6b43491 100644
--- a/xmonad/.xmonad/xmonad.hs
+++ b/xmonad/.xmonad/xmonad.hs
@@ -235,7 +235,7 @@ myKeys conf@(XConfig {XMonad.modMask = modm}) = M.fromList $
 
     -- lock my session
     --, ((modm .|. shiftMask, xK_Delete), spawn "/usr/bin/sxlock -f \"-*-ubuntu mono-*-r-*-*-*-*-*-*-*-*-*-*\"")
-    , ((modm .|. shiftMask, xK_Delete), spawn "/home/eeva/prefix/bin/lock.sh")
+    , ((modm .|. shiftMask, xK_Delete), spawn "/home/eeva/.nix-profile/bin/i3lock-fancy")
 
     -- quit xmonad
     , ((modm .|. shiftMask, xK_q), io (exitWith ExitSuccess))