diff --git a/systems/x86_64-linux/dns/default.nix b/systems/x86_64-linux/dns/default.nix
index cc31b8e..b53c7e8 100644
--- a/systems/x86_64-linux/dns/default.nix
+++ b/systems/x86_64-linux/dns/default.nix
@@ -40,7 +40,7 @@ with lib.${namespace};
       nh = enabled;
     };
 
-    system.tmpfs = true;
+    system.tmpfs = enabled;
   };
 
   environment.systemPackages = with pkgs; [