diff --git a/pkgs/applications/editors/emacs-modes/hsc3/default.nix b/pkgs/applications/editors/emacs-modes/hsc3/default.nix
index 150bd3593fdb..199a5886e1df 100644
--- a/pkgs/applications/editors/emacs-modes/hsc3/default.nix
+++ b/pkgs/applications/editors/emacs-modes/hsc3/default.nix
@@ -8,9 +8,9 @@ let version = "0.15";
 in stdenv.mkDerivation {
   name = "hsc3-mode-${version}";
   src = fetchurl {
-    url = http://hackage.haskell.org/package/hsc3-0.15/hsc3-0.15.tar.gz;
+    url = mirror://hackage/hsc3-0.15/hsc3-0.15.tar.gz;
     sha256 = "2f3b15655419cf8ebe25ab1c6ec22993b2589b4ffca7c3a75ce478ca78a0bde6";
-  }; 
+  };
 
   buildInputs = [ emacs ];
 
diff --git a/pkgs/build-support/fetchurl/mirrors.nix b/pkgs/build-support/fetchurl/mirrors.nix
index 404c744eea2a..404cea7532bf 100644
--- a/pkgs/build-support/fetchurl/mirrors.nix
+++ b/pkgs/build-support/fetchurl/mirrors.nix
@@ -308,6 +308,8 @@ rec {
   hackage = [
     http://hackage.haskell.org/package/
     http://hdiff.luite.com/packages/archive/package/
+    http://hackage.fpcomplete.com/package/
+    http://objects-us-east-1.dream.io/hackage-mirror/package/
   ];
 
   # Roy marples mirrors
diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index a8d530516a5e..385db56abaa7 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -118,7 +118,7 @@ let
 
   binDir = if enableSeparateBinOutput then "$bin/bin" else "$out/bin";
 
-  newCabalFileUrl = "http://hackage.haskell.org/package/${pname}-${version}/revision/${revision}.cabal";
+  newCabalFileUrl = "mirror://hackage/${pname}-${version}/revision/${revision}.cabal";
   newCabalFile = fetchurl {
     url = newCabalFileUrl;
     sha256 = editedCabalFile;
diff --git a/pkgs/development/haskell-modules/make-package-set.nix b/pkgs/development/haskell-modules/make-package-set.nix
index b4cd7fee311b..6b5ecc1df8af 100644
--- a/pkgs/development/haskell-modules/make-package-set.nix
+++ b/pkgs/development/haskell-modules/make-package-set.nix
@@ -183,7 +183,7 @@ in package-set { inherit pkgs stdenv callPackage; } self // {
     callHackageDirect = {pkg, ver, sha256}@args:
       let pkgver = "${pkg}-${ver}";
       in self.callCabal2nix pkg (pkgs.fetchzip {
-           url = "http://hackage.haskell.org/package/${pkgver}/${pkgver}.tar.gz";
+           url = "mirror://hackage/${pkgver}/${pkgver}.tar.gz";
            inherit sha256;
          });