diff --git a/app/controllers/api/databases.php b/app/controllers/api/databases.php
index 8419d0d437..498af87dca 100644
--- a/app/controllers/api/databases.php
+++ b/app/controllers/api/databases.php
@@ -3279,6 +3279,7 @@ App::patch('/v1/databases/:databaseId/collections/:collectionId/documents/:docum
             $permissions = $document->getPermissions() ?? [];
         }
 
+        $data = \array_merge($document->getArrayCopy(), $data); // Merge existing data with new data
         $data['$collection'] = $collection->getId();            // Make sure user doesn't switch collectionID
         $data['$createdAt'] = $document->getCreatedAt();        // Make sure user doesn't switch createdAt
         $data['$id'] = $document->getId();                      // Make sure user doesn't switch document unique ID
@@ -3368,8 +3369,6 @@ App::patch('/v1/databases/:databaseId/collections/:collectionId/documents/:docum
 
         $checkPermissions($collection, $newDocument, $document, Database::PERMISSION_UPDATE);
 
-    $newDocument = new Document(\array_merge($document->getArrayCopy(), $data));
-
     try {
         $document = $dbForProject->withRequestTimestamp(
             $requestTimestamp,