diff --git a/xCAT/postscripts/servicenode b/xCAT/postscripts/servicenode
index c9dc39211..55c6a8204 100755
--- a/xCAT/postscripts/servicenode
+++ b/xCAT/postscripts/servicenode
@@ -28,9 +28,12 @@ my $msg = "Removing OpenIPMI-tools";
 $msg = "Removing tftp";
 `logger -t xcat $msg`;
 `rpm -e tftp-server`;
-$msg = "Installing xCAT";
-`logger -t xcat $msg`;
-`rpm -ivh /xcatpost/xcat/RPMS/*/*.rpm`;
+if [[ $NODESETSTATE = INSTALL]]
+then
+  $msg = "Installing xCAT";
+  `logger -t xcat $msg`;
+  `rpm -ivh /xcatpost/xcat/RPMS/*/*.rpm`;
+fi
 $msg = "copying certificates and restarting daemon";
 `logger -t xcat $msg`;
 `/opt/xcat/sbin/copycerts`;