diff --git a/src/api/posts/src/routes/posts.js b/src/api/posts/src/routes/posts.js
index 9fa9d332a5..b237094117 100644
--- a/src/api/posts/src/routes/posts.js
+++ b/src/api/posts/src/routes/posts.js
@@ -11,7 +11,7 @@ posts.get('/', validatePostsQuery(), async (req, res, next) => {
   const defaultNumberOfPosts = process.env.MAX_POSTS_PER_PAGE || 30;
   const capNumOfPosts = 100;
   const page = parseInt(req.query.page || 1, 10);
-  const expand = req.query.expand ? parseInt(req.query.expand) : 0;
+  const expand = req.query.expand ? parseInt(req.query.expand, 10) : 0;
   let ids;
   let perPage;
   let postsCount;
@@ -64,7 +64,8 @@ posts.get('/', validatePostsQuery(), async (req, res, next) => {
   if (expand === 1) {
     data = await Promise.all(
       ids.map(async (id) => {
-        let post = await Post.byId(id); //obtain the corresponding feed to populate the author's name to the return data.
+        // obtain the corresponding feed to populate the author's name to the return data.
+        const post = await Post.byId(id);
         return {
           id,
           url: `${postsUrl}/${id}`,