diff --git a/public/pages/Destinations/components/createDestinations/CustomWebhook/HeaderParamsEditor.js b/public/pages/Destinations/components/createDestinations/CustomWebhook/HeaderParamsEditor.js
index d3bc57a6..4511c6f5 100644
--- a/public/pages/Destinations/components/createDestinations/CustomWebhook/HeaderParamsEditor.js
+++ b/public/pages/Destinations/components/createDestinations/CustomWebhook/HeaderParamsEditor.js
@@ -68,7 +68,7 @@ const HeaderParamsEditor = ({ type, headerParams }) => (
       validateOnChange={true}
       render={arrayHelpers => (
         <AttributeEditor
-          onAdd={() => arrayHelpers.push({})}
+          onAdd={() => arrayHelpers.push({ key: '', value: '' })}
           onRemove={index => index !== 0 && arrayHelpers.remove(index)}
           items={headerParams}
           name={`${type}.headerParams`}
diff --git a/public/pages/Destinations/components/createDestinations/CustomWebhook/QueryParamsEditor.js b/public/pages/Destinations/components/createDestinations/CustomWebhook/QueryParamsEditor.js
index 55feb3a4..5457712f 100644
--- a/public/pages/Destinations/components/createDestinations/CustomWebhook/QueryParamsEditor.js
+++ b/public/pages/Destinations/components/createDestinations/CustomWebhook/QueryParamsEditor.js
@@ -64,7 +64,7 @@ const QueryParamsEditor = ({ type, queryParams }) => (
     render={arrayHelpers => (
       <AttributeEditor
         titleText="Query parameters"
-        onAdd={() => arrayHelpers.push({})}
+        onAdd={() => arrayHelpers.push({ key: '', value: '' })}
         onRemove={index => arrayHelpers.remove(index)}
         items={queryParams}
         name={`${type}.queryParams`}