diff --git a/src/application/controller/api/post/add.php b/src/application/controller/api/post/add.php
index b514911..9af1dc8 100644
--- a/src/application/controller/api/post/add.php
+++ b/src/application/controller/api/post/add.php
@@ -11,9 +11,8 @@ if (isset($_SESSION['userName'])) {
   $postK = 1;
 
   if ($userPosts = $_twister->getPosts([$_SESSION['userName']], 1)) {
-
-    if (isset($userPosts[0]['k'])) {
-      $postK = Filter::int($userPosts[0]['k']) + 1;
+    if (isset($userPosts[0]['userpost']['k'])) {
+      $postK = Filter::int($userPosts[0]['userpost']['k']) + 1;
     }
 
   }