diff --git a/pkgs/development/python-modules/duckduckgo-search/default.nix b/pkgs/development/python-modules/duckduckgo-search/default.nix
index c201d56c5036..ce5089d82a39 100644
--- a/pkgs/development/python-modules/duckduckgo-search/default.nix
+++ b/pkgs/development/python-modules/duckduckgo-search/default.nix
@@ -10,27 +10,27 @@
   rustPlatform,
 }:
 let
-  curl-cffi_0_7_0 = curl-cffi.overrideAttrs (oldAttrs: rec {
+  curl-cffi_0_7_0 = curl-cffi.overrideAttrs (final: old: {
     version = "0.7.0b4";
     src = fetchFromGitHub {
       owner = "yifeikong";
       repo = "curl_cffi";
-      rev = "v${version}";
+      rev = "v${final.version}";
       hash = "sha256-txrJNUzswAPeH4Iazn0iKJI0Rqk0HHRoDrtTfDHKMoo=";
     };
   });
 
-  orjson_3_10_3 = orjson.overrideAttrs (oldAttrs: rec {
+  orjson_3_10_3 = orjson.overrideAttrs (final: old: {
     version = "3.10.3";
     src = fetchFromGitHub {
       owner = "ijl";
-      repo = "orjson";
-      rev = "refs/tags/${version}";
+      repo = old.pname;
+      rev = "refs/tags/${final.version}";
       hash = "sha256-bK6wA8P/IXEbiuJAx7psd0nUUKjR1jX4scFfJr1MBAk=";
     };
     cargoDeps = rustPlatform.fetchCargoTarball {
-      inherit src;
-      name = "${oldAttrs.pname}-${version}";
+      inherit (final) src;
+      name = "${old.pname}-${final.version}";
       hash = "sha256-ilGq+/gPSuNwURUWy2ZxInzmUv+PxYMxd8esxrMpr2o=";
     };
   });