diff --git a/pkgs/development/libraries/amrnb/default.nix b/pkgs/development/libraries/amrnb/default.nix
index c5514acd1d43..bfb72be24fe8 100644
--- a/pkgs/development/libraries/amrnb/default.nix
+++ b/pkgs/development/libraries/amrnb/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
   };
 
   src = fetchurl {
-    url = http://ftp.penguin.cz/pub/users/utx/amr/amrnb-11.0.0.0.tar.bz2;
+    url = http://www.penguin.cz/~utx/ftp/amr/amrnb-11.0.0.0.tar.bz2;
     sha256 = "1qgiw02n2a6r32pimnd97v2jkvnw449xrqmaxiivjy2jcr5h141q";
   };
 
diff --git a/pkgs/development/libraries/amrwb/default.nix b/pkgs/development/libraries/amrwb/default.nix
index 2b5da8de423d..e1c729050d4f 100644
--- a/pkgs/development/libraries/amrwb/default.nix
+++ b/pkgs/development/libraries/amrwb/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   };
 
   src = fetchurl {
-    url = http://ftp.penguin.cz/pub/users/utx/amr/amrwb-7.0.0.3.tar.bz2;
+    url = http://www.penguin.cz/~utx/ftp/amr/amrwb-7.0.0.3.tar.bz2;
     sha256 = "0nn94i3gw3d5fgks43wdhshdlhpd4rcrzj46f2vsby0viwkxxp8z";
   };