diff --git a/modules/nixos/cups.nix b/modules/nixos/cups.nix
index d927d2f..ec2c818 100644
--- a/modules/nixos/cups.nix
+++ b/modules/nixos/cups.nix
@@ -10,7 +10,7 @@ in {
     enable = lib.mkEnableOption "printing";
   };
 
-  config = {
+  config = lib.mkIf cfg.enable {
     # Enable CUPS to print documents.
     services.printing = {
       enable = true;