diff --git a/pkgs/pkgs-lib/formats.nix b/pkgs/pkgs-lib/formats.nix
index 8c87c868de75..cfe95417ac31 100644
--- a/pkgs/pkgs-lib/formats.nix
+++ b/pkgs/pkgs-lib/formats.nix
@@ -460,8 +460,7 @@ optionalAttrs allowAliases aliases
 
   toml =
     { }:
-    json { }
-    // {
+    {
       type = types.toml;
 
       generate =