diff --git a/js/webform_civicrm_forms.js b/js/webform_civicrm_forms.js
index 7a13537a9..55cac32fb 100644
--- a/js/webform_civicrm_forms.js
+++ b/js/webform_civicrm_forms.js
@@ -452,10 +452,12 @@ var wfCivi = (function ($, D) {
 
       // Function to update fee field with AJAX call.
       function updateFeeField(membershipId, feeFieldInput) {
-        if (!membershipId || feeFieldInput.length === 0) {
-          return;
+        if (!membershipId) {
+          throw new Error("Membership Id not found.");
+        }
+        if ($(feeFieldInput).length === 0) {
+          throw new Error("Membership-fee-amount-from-membership not found.");
         }
-
         $.ajax({
           url: '/webform-civicrm/js/getMembershipFees/' + membershipId,
           dataType: 'json',