diff --git a/xCAT-IBMhpc/share/xcat/IBMhpc/rsct/rsct_install b/xCAT-IBMhpc/share/xcat/IBMhpc/rsct/rsct_install
index 3ab74b890..4dcdd29f7 100755
--- a/xCAT-IBMhpc/share/xcat/IBMhpc/rsct/rsct_install
+++ b/xCAT-IBMhpc/share/xcat/IBMhpc/rsct/rsct_install
@@ -35,12 +35,12 @@ if [ $OS != "AIX" ]; then
             # rsct don't need license. So not install and accept the rsct license on the MN
             
             # Install RSCT product rpms
-            INUCLIENTS=1 INUBOSTYPE=1 zypper -R $installroot install $RSCT_DIR/src-*.rpm $RSCT_DIR/rsct.core-*.rpm $RSCT_DIR/rsct.core.utils-*.rpm 
+            INUCLIENTS=1 INUBOSTYPE=1 zypper -n -R $installroot install $RSCT_DIR/src-*.rpm $RSCT_DIR/rsct.core-*.rpm $RSCT_DIR/rsct.core.utils-*.rpm 
         else
         # For Redhat, etc., assume yum is available on the system running genimage
             # rsct don't need license. So not install and accept the rsct license on the MN
             # Install RSCT product rpms
-            INUCLIENTS=1 INUBOSTYPE=1 yum --installroot $installroot --nogpgcheck install $RSCT_DIR/src-*.rpm $RSCT_DIR/rsct.core-*.rpm $RSCT_DIR/rsct.core.utils-*.rpm 
+            INUCLIENTS=1 INUBOSTYPE=1 yum -y --installroot $installroot --nogpgcheck install $RSCT_DIR/src-*.rpm $RSCT_DIR/rsct.core-*.rpm $RSCT_DIR/rsct.core.utils-*.rpm 
         fi
     fi