diff --git a/src/Support/NotificationPayloadFactory.php b/src/Support/NotificationPayloadFactory.php
index b30e87a..dde905c 100644
--- a/src/Support/NotificationPayloadFactory.php
+++ b/src/Support/NotificationPayloadFactory.php
@@ -59,7 +59,7 @@ class NotificationPayloadFactory
 			'topic' => [
 				'source' => 'text',
 				'value' => $discussionTitle,
-				'webUrl' => $teamsDeepLink,
+				'discussionUrl' => $teamsDeepLink,
 			],
 			'activityType' => 'systemDefault',
 			'previewText' => [