diff --git a/awx/ui/client/src/notifications/notificationTemplates.form.js b/awx/ui/client/src/notifications/notificationTemplates.form.js
index 7ad0898b97..0a4b2d5499 100644
--- a/awx/ui/client/src/notifications/notificationTemplates.form.js
+++ b/awx/ui/client/src/notifications/notificationTemplates.form.js
@@ -299,6 +299,7 @@ export default function() {
                 label: 'HTTP Headers',
                 type: 'textarea',
                 rows: 5,
+                'class': 'Form-formGroup--fullWidth',
                 awRequiredWhen: {
                     reqExpression: "webhook_required",
                     init: "false"