diff --git a/nix/configurations/vanadium/home/xmonad/xmonad.hs b/nix/configurations/vanadium/home/xmonad/xmonad.hs
index a41e765d..76182ee5 100644
--- a/nix/configurations/vanadium/home/xmonad/xmonad.hs
+++ b/nix/configurations/vanadium/home/xmonad/xmonad.hs
@@ -95,7 +95,7 @@ isEvolutionComposer =
       ]
 
 isFirefox :: Query Bool
-isFirefox = className =? "firefox"
+isFirefox = className =? "firefox" <||> className ^? "zen"
 
 isSpotify :: Query Bool
 isSpotify = isFirefox <&&> title ~? "Spotify"
@@ -112,9 +112,11 @@ isSignal = className =? "Signal"
 isElement :: Query Bool
 isElement = isFirefox <&&> title ~? "Element"
 
--- This changes depending on the locale of the browser :/
 isFirefoxPip :: Query Bool
-isFirefoxPip = isFirefox <&&> title =? "Incrustation vidéo"
+isFirefoxPip =
+  isFirefox
+    -- This changes depending on the locale of the browser :/
+    <&&> (title =? "Incrustation vidéo" <||> title =? "Picture-in-Picture")
 
 isPavucontrol :: Query Bool
 isPavucontrol = className =? "pavucontrol"
@@ -223,7 +225,9 @@ myStartupHook = do
     -- - setting `home.sessionVariable` (home-manager) would only effect shells, probably due to the order of launched processes blah blah
     -- - setting `environment.sessionVariables` (NixOS) would make my set up less portable
     putEnv "GLFW_IM_MODULE=ibus"  -- Make sure kitty knows how to talk to fcitx
-    putEnv "MOZ_USE_XINPUT2=1"    -- Force touchpad for firefox
+
+    -- TODO: doesn't work for firefox nor for zen since 145.0
+    -- putEnv "MOZ_USE_XINPUT2=1"    -- Force touchpad for firefox
 
 removedKeybinds :: [(KeyMask, KeySym)]
 removedKeybinds =
@@ -309,7 +313,7 @@ keybinds =
      )
 
   -- Launcher
-  ++ (let launchFirefox = "if type firefox; then firefox; else firefox-esr; fi"
+  ++ (let launchFirefox = "zen"
           launchDmenu = "dmenu_run -i -fn \"Iosevka-14\" -nb \"#36363a\" -nf \"#e2e2e4\" -sb \"#f7f7f8\" -sf \"#36363a\" -l 10"
           lock = "xscreensaver-command -lock"
       in  [ ((controlMask .|. altMask, xK_m), namedScratchpadAction myScratchpads "cmus"  )