diff --git a/xCAT-server/lib/xcat/plugins/ddns.pm b/xCAT-server/lib/xcat/plugins/ddns.pm
index 556a217b8..6a7135157 100644
--- a/xCAT-server/lib/xcat/plugins/ddns.pm
+++ b/xCAT-server/lib/xcat/plugins/ddns.pm
@@ -918,7 +918,7 @@ sub process_request {
     unless ($ret) {
         xCAT::SvrUtils::sendmsg("DNS setup is completed", $callback);
     }
-
+    chmod 0750, $ctx->{dbdir};
     umask($oldmask);
 }