diff --git a/xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200 b/xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200
index 10e744460..e59fc54a0 100644
--- a/xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200
+++ b/xCAT-IBMhpc/share/xcat/IBMhpc/pe/pe_install-1200
@@ -46,7 +46,7 @@ if [ $OS != "AIX" ]; then
 #        wget -l inf -N -r --waitretry=10 --random-wait --retry-connrefused -t 10 -T 60 -nH --cut-dirs=5 http://$SITEMASTER/$PE_DIR/*.rpm 2> /tmp/wget.log
         wget -l inf -N -r --waitretry=10 --random-wait --retry-connrefused -t 10 -T 60 -nH --cut-dirs=6 --reject "index.html*"  --no-parent http://$SITEMASTER$PE_DIR/ 2> /tmp/wget.log
         if [ ! -f /opt/ibmhpc/pe1200/sbin/accept_ppe_license.sh ] ; then
-            rpm -Uvh ppe_rte_license*.rpm
+            IBM_PPE_RTE_LICENSE_ACCEPT=yes rpm -Uvh ppe_rte_license*.rpm
         fi
         IBM_PPE_RTE_LICENSE_ACCEPT=yes /opt/ibmhpc/pe1200/sbin/accept_ppe_license.sh
         rpm -Uvh --force ppe*.rpm