diff --git a/xCAT-IBMhpc/share/xcat/IBMhpc/compilers/compilers_license b/xCAT-IBMhpc/share/xcat/IBMhpc/compilers/compilers_license
index 5efa1ca12..41381bc7c 100755
--- a/xCAT-IBMhpc/share/xcat/IBMhpc/compilers/compilers_license
+++ b/xCAT-IBMhpc/share/xcat/IBMhpc/compilers/compilers_license
@@ -9,8 +9,8 @@
 
 
 OS=`uname`
-vacpp_script=/opt/ibmcmp/vacpp/11.1/bin/new_install
-xlf_script=/opt/ibmcmp/xlf/13.1/bin/new_install
+vacpp_script=/opt/ibmcmp/vacpp/10.1/bin/new_install
+xlf_script=/opt/ibmcmp/xlf/12.1/bin/new_install
 
 
 if [ $OS != "AIX" ]; then
diff --git a/xCAT-IBMhpc/share/xcat/IBMhpc/essl/essl.exlist b/xCAT-IBMhpc/share/xcat/IBMhpc/essl/essl.exlist
index ece1f506b..36ed2c85e 100644
--- a/xCAT-IBMhpc/share/xcat/IBMhpc/essl/essl.exlist
+++ b/xCAT-IBMhpc/share/xcat/IBMhpc/essl/essl.exlist
@@ -1,8 +1,8 @@
-./opt/ibmmath/essl/4.4/FFTW3/include*
-./opt/ibmmath/essl/4.4/include*
-./opt/ibmmath/essl/4.4/lap/license/*.txt
-./opt/ibmmath/essl/4.4/lap/LI_*
-./opt/ibmmath/essl/4.4/lap/LA_*
+./opt/ibmmath/essl/4.3/FFTW3/include*
+./opt/ibmmath/essl/4.3/include*
+./opt/ibmmath/essl/4.3/lap/license/*.txt
+./opt/ibmmath/essl/4.3/lap/LI_*
+./opt/ibmmath/essl/4.3/lap/LA_*
 
 ./opt/ibmmath/pessl/3.3/lap/LA_*
 ./opt/ibmmath/pessl/3.3/lap/LI_*
diff --git a/xCAT-IBMhpc/share/xcat/IBMhpc/essl/essl_install b/xCAT-IBMhpc/share/xcat/IBMhpc/essl/essl_install
index f7c83661d..5ca2e81ef 100755
--- a/xCAT-IBMhpc/share/xcat/IBMhpc/essl/essl_install
+++ b/xCAT-IBMhpc/share/xcat/IBMhpc/essl/essl_install
@@ -11,7 +11,7 @@
 OS=`uname`
 INSTALL_DIR='/install'
 ESSL_DIR=$essldir
-essl_bin=/opt/ibmmath/essl/5.1/bin
+essl_bin=/opt/ibmmath/essl/4.3/bin
 pessl_bin=/opt/ibmmath/pessl/3.3/bin
 
 if [ -z $ESSL_DIR ]; then