diff --git a/xCAT-client/bin/pping b/xCAT-client/bin/pping
index 49b383069..6b8ea11f6 100755
--- a/xCAT-client/bin/pping
+++ b/xCAT-client/bin/pping
@@ -66,7 +66,7 @@ else { 		# the normal case of the user running the cmd - expand the noderange us
                 SSL_cert_file=> xCAT::Utils->getHomeDir()."/.xcat/client-cred.pem",
                 SSL_ca_file =>  xCAT::Utils->getHomeDir()."/.xcat/ca.pem",
                 SSL_use_cert => 1,
-                #SSL_verify_mode => 1,
+                SSL_verify_mode => 1,
              );
 	die "Connection failure: $!\n" unless ($client);
 	my %cmdref = (command => 'noderange', noderange => $noderange);