diff --git a/home-manager/default.nix b/home-manager/default.nix
index a3a0260a..668645e8 100644
--- a/home-manager/default.nix
+++ b/home-manager/default.nix
@@ -11,7 +11,7 @@
     # User configs
     ./users/${username}
   ]
-  ++ lib.optional (builtins.isString.desktop) [ 
+  ++ lib.optional (builtins.isString desktop) [ 
     ./common/software/gui/firefox.nix
     ./common/software/gui/thunderbird.nix
     ./hosts/${hostname}/desktops/${desktop}