diff --git a/xCAT-server/lib/xcat/plugins/dhcp.pm b/xCAT-server/lib/xcat/plugins/dhcp.pm
index 98e4f247a..b9c5a7058 100644
--- a/xCAT-server/lib/xcat/plugins/dhcp.pm
+++ b/xCAT-server/lib/xcat/plugins/dhcp.pm
@@ -1255,7 +1255,7 @@ sub newconfig
     push @dhcpconf, "  secret \"" . $secret . "\";\n";
     push @dhcpconf, "};\n";
     push @dhcpconf, "omapi-key xcat_key;\n";
-    push @dhcpconf, ('class "pxe" {'."\n","   match if substring (option vendor-class-identifier, 0, 9) = \"PXEclient\";\n","   ddns-updates off;\n","    max-lease-time 600;\n");
+    push @dhcpconf, ('class "pxe" {'."\n","   match if substring (option vendor-class-identifier, 0, 9) = \"PXEclient\";\n","   ddns-updates off;\n","    max-lease-time 600;\n","}\n");
 }
 
 sub newconfig_aix