diff --git a/auth/authEmail.js b/auth/authEmail.js
index c714672..65d7c17 100644
--- a/auth/authEmail.js
+++ b/auth/authEmail.js
@@ -74,13 +74,13 @@ const login = async function (req, res) {
     // Check if user is already logged in and redirect to root if so.
     const session_id = getSessionId(req);
     const user_sid = getUserId(req);
+    const DB = await MongoDB.getDB;
     if (session_id && user_sid) {
         const userInfo = await DB.checkSessionOnDB(session_id, user_sid);
         if (userInfo) return res.redirect('/');
     }
     const username = req.body.username || req.query.username;
     const password = req.body.password || req.query.password || "";
-    const DB = await MongoDB.getDB;
     const user = await DB.getUser(username);
     if (!user) {
         client_logger.capture({
diff --git a/routes/post.js b/routes/post.js
index 0ff909f..f87d47d 100644
--- a/routes/post.js
+++ b/routes/post.js
@@ -97,13 +97,15 @@ DB.getDB.then((DB) => {
 
     router.get("/tag/:tag", async (req, res) => {
         const profileid = getProfileId(req);
-        const tag = req.params.tag;
+        const tag = req.query.tag || req.params.tag;
         if(!tag) {
+            console.log("Tag query empty: ", tag);
             return res.json({
                 status: "Tag is required",
             });
         }
-        let posts = await DB.getPostsByTag(tag, profileid);
+        console.log("Tag query: ", tag);
+        let posts = await DB.getPostsByTag('#' + tag, profileid);
         return res.json(posts);
     });
 
diff --git a/utils/sessionUtils.js b/utils/sessionUtils.js
index 6f356d3..1842c4f 100644
--- a/utils/sessionUtils.js
+++ b/utils/sessionUtils.js
@@ -5,26 +5,38 @@ const isValidObjectId = (id) => ObjectId.isValid(id);
 // Utilities
 const getSessionId = function (req) {
     const session_id = req.cookies.session_id || req.query.session_id || req.body.session_id;
+    if(!session_id) {
+        return session_id;
+    }
     if(isValidObjectId(session_id)) {
         return session_id;
     } 
+    console.trace();
     console.error("Invalid session_id format: ", session_id);
     return session_id;
 }
 const getUserId = function (req) {
     const user_sid = req.cookies.user_sid || req.query.user_sid || req.body.user_sid;
     // validate user_sid
+    if(!user_sid) {
+        return user_sid;
+    }
     if(isValidObjectId(user_sid)) {
         return user_sid;
     } 
+    console.trace();
     console.error("Invalid user_sid format: ", user_sid);
     return user_sid;
 }
 const getProfileId = function (req) {
     const profile_id = req.cookies.profile_id || req.query.profile_id || req.body.profile_id;
+    if(!profile_id) {
+        return profile_id;
+    }
     if(isValidObjectId(profile_id)) {
         return profile_id;
     } 
+    console.trace();
     console.error("Invalid profile_id format: ", profile_id);
     return profile_id;
 }