diff --git a/server/src/routes/posts.ts b/server/src/routes/posts.ts
index 17c94514..83f70e2a 100644
--- a/server/src/routes/posts.ts
+++ b/server/src/routes/posts.ts
@@ -17,6 +17,7 @@ posts.post(
       title: Joi.string().required(),
       files: Joi.any().required(),
       visibility: Joi.string().required(),
+      userId: Joi.string().required(),
     },
   }),
   async (req, res, next) => {