diff --git a/lib/order.js b/lib/order.js
index a3f30d6..388fbfb 100644
--- a/lib/order.js
+++ b/lib/order.js
@@ -423,8 +423,9 @@ class Order extends Model {
    * @param {WSv2|RESTv2} apiInterface - optional ws defaults to internal ws
    */
   removeListeners (apiInterface = this._apiInterface) {
+    const cbGID = this.cbGID().replace('null','undefined');
     if (apiInterface) {
-      apiInterface.removeListeners(this.cbGID())
+      apiInterface.removeListeners(cbGID)
     }
   }