diff --git a/pkgs/build-support/fetchurl/mirrors.nix b/pkgs/build-support/fetchurl/mirrors.nix
index 69dbdbc57a8..29016c6292d 100644
--- a/pkgs/build-support/fetchurl/mirrors.nix
+++ b/pkgs/build-support/fetchurl/mirrors.nix
@@ -2,7 +2,7 @@ rec {
 
   # Content-addressable Nix mirrors.
   hashedMirrors = [
-    http://nix.cs.uu.nl/dist/tarballs
+    http://nixos.org/tarballs
   ];
 
   # Mirrors for mirror://site/filename URIs, where "site" is