diff --git a/src/Appwrite/Database/Document.php b/src/Appwrite/Database/Document.php
index 2a472b839a..e70fce113f 100644
--- a/src/Appwrite/Database/Document.php
+++ b/src/Appwrite/Database/Document.php
@@ -110,7 +110,8 @@ class Document extends ArrayObject
                 break;
             case self::SET_TYPE_APPEND:
                 $this[$key] = (!isset($this[$key]) || !\is_array($this[$key])) ? [] : $this[$key];
-                \array_push($this[$key], $value);
+                // \array_push($this[$key], $value);
+                $this[$key][count($this[$key])] = $value;
                 break;
             case self::SET_TYPE_PREPEND:
                 $this[$key] = (!isset($this[$key]) || !\is_array($this[$key])) ? [] : $this[$key];