diff --git a/pkgs/development/tools/misc/pkgconfig/default.nix b/pkgs/development/tools/misc/pkgconfig/default.nix
index 520def967f47..be8c4febe03a 100644
--- a/pkgs/development/tools/misc/pkgconfig/default.nix
+++ b/pkgs/development/tools/misc/pkgconfig/default.nix
@@ -13,6 +13,7 @@ stdenv.mkDerivation {
     # Process Requires.private properly, see
     # http://bugs.freedesktop.org/show_bug.cgi?id=4738.
     (fetchurl {
+      name = "pkgconfig-8494.patch";
       url = http://bugs.freedesktop.org/attachment.cgi?id=8494;
       sha256 = "1pcrdbb7dypg2biy0yqc7bdxak5zii8agqljdvk7j4wbyghpqzws";
     })