diff --git a/src/Umbraco.Web.UI.Client/src/packages/webhook/components/input-webhook-headers.element.ts b/src/Umbraco.Web.UI.Client/src/packages/webhook/components/input-webhook-headers.element.ts
index 2c5f00968c..9ce954a128 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/webhook/components/input-webhook-headers.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/webhook/components/input-webhook-headers.element.ts
@@ -143,6 +143,14 @@ export class UmbInputWebhookHeadersElement extends UmbLitElement {
 				border-bottom: 1px solid var(--uui-color-border);
 			}
 
+			#grid > *:nth-child(3) {
+				border-top-right-radius: var(--uui-border-radius);
+			}
+
+			#grid > *:nth-child(1) {
+				border-top-left-radius: var(--uui-border-radius);
+			}
+
 			/* Remove borders from last column */
 			#grid > *:nth-child(3n) {
 				border-right: none;