diff --git a/pkgs/development/libraries/acl/default.nix b/pkgs/development/libraries/acl/default.nix
index bbba61c1de6..342c07a1b3e 100644
--- a/pkgs/development/libraries/acl/default.nix
+++ b/pkgs/development/libraries/acl/default.nix
@@ -4,10 +4,12 @@ stdenv.mkDerivation {
   name = "acl-2.2.47";
 
   src = fetchurl {
-    url = ftp://oss.sgi.com/projects/xfs/cmd_tars/acl_2.2.47-1.tar.gz;
+    # The file cannot be downloaded from sgi.com.
+    #url = ftp://oss.sgi.com/projects/xfs/cmd_tars/acl_2.2.47-1.tar.gz;
+    url = "http://gentoo.chem.wisc.edu/gentoo/distfiles/acl_2.2.47-1.tar.gz";
     sha256 = "1j39g62fki0iyji9s62slgwdfskpkqy7rmjlqcnmsvsnxbxhc294";
   };
-  
+
   buildInputs = [gettext attr libtool];
 
   configureFlags = "MAKE=make LIBTOOL=libtool MSGFMT=msgfmt MSGMERGE=msgmerge XGETTEXT=xgettext ZIP=gzip ECHO=echo SED=sed AWK=gawk";