diff --git a/tv/5pkgs/haskell/xmonad-tv/shell.nix b/tv/5pkgs/haskell/xmonad-tv/shell.nix
index 2f9fff6ed..936e69627 100644
--- a/tv/5pkgs/haskell/xmonad-tv/shell.nix
+++ b/tv/5pkgs/haskell/xmonad-tv/shell.nix
@@ -28,7 +28,7 @@ in
         config.systemd.services.xmonad.environment.XMONAD_CACHE_DIR
       }
 
-      xmonad=$CACHEDIR/main
+      xmonad=$CACHEDIR/xmonad-${lib.currentSystem}
 
       xmonad_build() {(
         set -efu