diff --git a/xCAT/postscripts/otherpkgs b/xCAT/postscripts/otherpkgs
index 9fb057ffd..ebcc423c4 100755
--- a/xCAT/postscripts/otherpkgs
+++ b/xCAT/postscripts/otherpkgs
@@ -903,9 +903,9 @@ EOF`
 	elif [ $hasapt -eq 1 ]; then
 	    apt_get_update_if_repos_changed $REPOFILE
             if [ $VERBOSE  ]; then
-	      echo "$envlist DEBIAN_FRONTEND=noninteractive apt-get -q -y --force-yes install $repo_pkgs"
+	      echo "$envlist DEBIAN_FRONTEND=noninteractive apt-get -q -y --force-yes  -o Dpkg::Options::='--force-confold' -o Dpkg::Options::='--force-confdef' install $repo_pkgs"
 	    fi
-	    result=`eval $envlist DEBIAN_FRONTEND=noninteractive apt-get -q -y --force-yes install $repo_pkgs 2>&1`
+	    result=`eval $envlist DEBIAN_FRONTEND=noninteractive apt-get -q -y --force-yes  -o Dpkg::Options::='--force-confold' -o Dpkg::Options::='--force-confdef' install $repo_pkgs 2>&1`
             R=$?
             if [ $R -ne 0 ]; then
               RETURNVAL=$R