diff --git a/nixos/modules/services/printing/cupsd.nix b/nixos/modules/services/printing/cupsd.nix
index b19cd073252..d2b36d9e754 100644
--- a/nixos/modules/services/printing/cupsd.nix
+++ b/nixos/modules/services/printing/cupsd.nix
@@ -104,7 +104,7 @@ let
     ignoreCollisions = true;
   };
 
-  filterGutenprint = pkgs: filter (pkg: pkg.meta.isGutenprint or false == true) pkgs;
+  filterGutenprint = filter (pkg: pkg.meta.isGutenprint or false == true);
   containsGutenprint = pkgs: length (filterGutenprint pkgs) > 0;
   getGutenprint = pkgs: head (filterGutenprint pkgs);