diff --git a/ui/scripts/system.js b/ui/scripts/system.js
index 1c1fab11514..aa7e68b2cfc 100644
--- a/ui/scripts/system.js
+++ b/ui/scripts/system.js
@@ -3388,7 +3388,8 @@
                       array1.push("&name="  +todb(args.data.name));
                       array1.push("&dns1=" + todb(args.data.dns1));
                       array1.push("&dns2=" + todb(args.data.dns2));  //dns2 can be empty ("") when passed to API
-                      array1.push("&guestcidraddress=" +todb(args.data.guestcidraddress));                                                                        
+                      if(selectedZoneObj.networktype == "Advanced"){
+                      array1.push("&guestcidraddress=" +todb(args.data.guestcidraddress)); }                                                                         
                       array1.push("&internaldns1=" + todb(args.data.internaldns1));
                       array1.push("&internaldns2=" + todb(args.data.internaldns2));  //internaldns2 can be empty ("") when passed to API
                       array1.push("&domain=" + todb(args.data.domain));