diff --git a/nix/configurations/vanadium/home/xmonad/xmonad.hs b/nix/configurations/vanadium/home/xmonad/xmonad.hs
index dcb62ea6..73d13b92 100644
--- a/nix/configurations/vanadium/home/xmonad/xmonad.hs
+++ b/nix/configurations/vanadium/home/xmonad/xmonad.hs
@@ -125,10 +125,10 @@ isFeh :: Query Bool
 isFeh = className =? "feh"
 
 isNautilus :: Query Bool
-isNautilus = className ~? "Nautilus"
+isNautilus = className $? "Nautilus"
 
 isNautilusPreviewer :: Query Bool
-isNautilusPreviewer = className ~? "NautilusPreviewer"
+isNautilusPreviewer = className $? "NautilusPreviewer"
 
 isMinder :: Query Bool
 isMinder = className =? "Minder" <&&> (not <$> title ~? "Pick a Color")