diff --git a/src/Appwrite/Event/Validator/Event.php b/src/Appwrite/Event/Validator/Event.php
index 2061d53ed8..a3605e4df5 100644
--- a/src/Appwrite/Event/Validator/Event.php
+++ b/src/Appwrite/Event/Validator/Event.php
@@ -34,7 +34,7 @@ class Event extends Validator
     public function isValid($value): bool
     {
         $events = Config::getParam('events', []);
-        $parts = \explode('.', $value);
+        $parts = \explode('.', $value ?? '');
         $count = \count($parts);
 
         if ($count < 2 || $count > 7) {