diff --git a/pkgs/development/compilers/gcc/4.7/default.nix b/pkgs/development/compilers/gcc/4.7/default.nix
index 084e56173a2b..02733d042033 100644
--- a/pkgs/development/compilers/gcc/4.7/default.nix
+++ b/pkgs/development/compilers/gcc/4.7/default.nix
@@ -163,7 +163,7 @@ stdenv.mkDerivation ({
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = "http://ftp.gnu.org/gnu/gcc/gcc-4.7.1/gcc-4.7.1.tar.bz2";
+    url = "mirror://gnu/gcc/gcc-${version}/gcc-${version}.tar.bz2";
     sha256 = "0vs0v89zzgkngkw2p8kdynyk7j8ky4wf6zyrg3rsschpl1pky28n";
   };