diff --git a/pkgs/development/libraries/libidn/default.nix b/pkgs/development/libraries/libidn/default.nix
index 83f69cfaa02b..9e1d9e55c16a 100644
--- a/pkgs/development/libraries/libidn/default.nix
+++ b/pkgs/development/libraries/libidn/default.nix
@@ -1,11 +1,13 @@
-{ fetchurl, lib, stdenv, libiconv }:
+{ fetchurl, lib, stdenv, libiconv
+, testers
+}:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "libidn";
   version = "1.41";
 
   src = fetchurl {
-    url = "mirror://gnu/libidn/${pname}-${version}.tar.gz";
+    url = "mirror://gnu/libidn/${finalAttrs.pname}-${finalAttrs.version}.tar.gz";
     sha256 = "sha256-iE1wY2S4Gr3Re+6Whtj/KudDHFoUZRBHxorfizH9iUU=";
   };
 
@@ -15,6 +17,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = lib.optional stdenv.isDarwin libiconv;
 
+  passthru.tests.pkg-config = testers.testMetaPkgConfig finalAttrs.finalPackage;
+
   meta = {
     homepage = "https://www.gnu.org/software/libidn/";
     description = "Library for internationalized domain names";
@@ -36,7 +40,8 @@ stdenv.mkDerivation rec {
     '';
 
     license = lib.licenses.lgpl2Plus;
+    pkgConfigModules = [ "libidn" ];
     platforms = lib.platforms.all;
     maintainers = with lib.maintainers; [ lsix ];
   };
-}
+})