anon-posting.diff

diff --git a/pages/api/posts/create.js b/pages/api/posts/create.js
index e45df89..f995100 100644
--- a/pages/api/posts/create.js
+++ b/pages/api/posts/create.js
@@ -27,7 +27,7 @@ const handlePOST = async (req, res) => {
   const user = await getUserFromJWT(token);
 
   // Otherwise, post passes validations, let's create it.
-  const post = await createPost({ title, content, authorId: user.id ?? null });
+  const post = await createPost({ title, content, authorId: user?.id ?? null });
   return res.json({ success: true, post });
 };