diff --git a/app/workers/functions.php b/app/workers/functions.php
index 2333cb315e..31e64a2bb4 100644
--- a/app/workers/functions.php
+++ b/app/workers/functions.php
@@ -276,7 +276,7 @@ $server->job()
                         queueForFunctions: $queueForFunctions,
                         trigger: 'event',
                         event: $events[0],
-                        eventData: $eventData,
+                        eventData: \is_string($eventData) ? $eventData : \json_encode($eventData),
                         user: $user,
                         data: null,
                         executionId: null,