diff --git a/lass/5pkgs/custom/xmonad-lass/default.nix b/lass/5pkgs/custom/xmonad-lass/default.nix
index 694f3c033..8b508ae6a 100644
--- a/lass/5pkgs/custom/xmonad-lass/default.nix
+++ b/lass/5pkgs/custom/xmonad-lass/default.nix
@@ -160,6 +160,8 @@ myKeyMap =
 
     , ("<Pause>", spawn "${pkgs.xcalib}/bin/xcalib -invert -alter")
 
+    , ("M4-s", spawn "${pkgs.knav}/bin/knav")
+
     --, ("M4-w", screenWorkspace 0 >>= (windows . W.greedyView))
     --, ("M4-e", screenWorkspace 1 >>= (windows . W.greedyView))
     --, ("M4-r", screenWorkspace 2 >>= (windows . W.greedyView))