diff --git a/packages/server/src/controllers/PostsController/endpoints/createPost.js b/packages/server/src/controllers/PostsController/endpoints/createPost.js
index 7ad91379..2c227e9f 100755
--- a/packages/server/src/controllers/PostsController/endpoints/createPost.js
+++ b/packages/server/src/controllers/PostsController/endpoints/createPost.js
@@ -10,7 +10,7 @@ export default {
         select: ["message", "attachments", "type", "data", "timestamp"],
     }, async (req, res) => {
         const post = await CreatePost({
-            user_id: req.user.id,
+            user_id: req.user._id.toString(),
             message: req.selection.message,
             timestamp: req.selection.timestamp,
             attachments: req.selection.attachments,