diff --git a/pkgs/build-support/fetchurl/default.nix b/pkgs/build-support/fetchurl/default.nix
index dcab471fc839..32cc416cc891 100644
--- a/pkgs/build-support/fetchurl/default.nix
+++ b/pkgs/build-support/fetchurl/default.nix
@@ -160,5 +160,5 @@ stdenvNoCC.mkDerivation {
   '';
 
   inherit meta;
-  inherit passthru;
+  passthru = { inherit url; } // passthru;
 }