diff --git a/bsc/intel-compiler/icc2020.nix b/bsc/intel-compiler/icc2020.nix
index e88f67e2..7258b3f5 100644
--- a/bsc/intel-compiler/icc2020.nix
+++ b/bsc/intel-compiler/icc2020.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   tgz="parallel_studio_xe_2020_update${update}_cluster_edition.tgz";
   
   src = fetchurl {
-    url = "http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/${dir_nr}/${tgz}";
+    url = "http://registrationcenter-download.intel.com/akdlm/IRC_NAS/tec/${dir_nr}/${tgz}";
     sha256 = "1axblai5lmw9yqjaz7lvjraj5fsc7r37pklb9x3n1gdjfbgdh4gx";
   };
 
diff --git a/bsc/intel-mpi/default.nix b/bsc/intel-mpi/default.nix
index 38608b70..0b304877 100644
--- a/bsc/intel-mpi/default.nix
+++ b/bsc/intel-mpi/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   lib_variant = (if enableDebug then "debug" else "release");
 
   src = builtins.fetchTarball {
-    url = "http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/${dir_nr}/l_mpi_${version}.tgz";
+    url = "http://registrationcenter-download.intel.com/akdlm/IRC_NAS/tec/${dir_nr}/l_mpi_${version}.tgz";
     sha256 = "19l995aavbn5lkiz9sxl6iwmjsrvjgjp14nn0qi1hjqs705db5li";
   };