diff --git a/nixos/modules/programs/command-not-found/command-not-found.nix b/nixos/modules/programs/command-not-found/command-not-found.nix
index e6ea41778172..03117e573cf1 100644
--- a/nixos/modules/programs/command-not-found/command-not-found.nix
+++ b/nixos/modules/programs/command-not-found/command-not-found.nix
@@ -62,7 +62,7 @@ in
     {
       programs.command-not-found = {
         enable = lib.mkDefault (builtins.pathExists cfg.dbPath);
-        dbPath = pkgs.path + "/programs.sqlite";
+        dbPath = lib.mkDefault (pkgs.path + "/programs.sqlite");
       };
     }