diff --git a/src/Appwrite/Platform/Modules/Databases/Http/Databases/Collections/Indexes/Create.php b/src/Appwrite/Platform/Modules/Databases/Http/Databases/Collections/Indexes/Create.php
index 1665549c92..9dbd7924c6 100644
--- a/src/Appwrite/Platform/Modules/Databases/Http/Databases/Collections/Indexes/Create.php
+++ b/src/Appwrite/Platform/Modules/Databases/Http/Databases/Collections/Indexes/Create.php
@@ -164,7 +164,7 @@ class Create extends Action
                 throw new Exception($this->getParentNotAvailableException(), "$contextType not available: " . $oldAttributes[$attributeIndex]['key']);
             }
 
-            $lengths[$i] = null;
+            $lengths[$i] ??= null;
 
             if ($attributeArray === true) {
                 $lengths[$i] = Database::ARRAY_INDEX_LENGTH;