diff --git a/build-deb/taskmanager/DEBIAN/control b/build-deb/taskmanager/DEBIAN/control
index 0f953e2..12588d2 100644
--- a/build-deb/taskmanager/DEBIAN/control
+++ b/build-deb/taskmanager/DEBIAN/control
@@ -8,4 +8,4 @@ Depends: gunicorn, python3-flask-sqlalchemy
 Homepage: https://gitea.dmz.rs/Decentrala/taskmanager
 Maintainer: Decentrala <dmz@dmz.rs>
 Description: Interactive TODO list Web app
-Version: 1.0.5
+Version: 1.0.6
diff --git a/taskmanager/routes.py b/taskmanager/routes.py
index 05fba99..a491f5a 100644
--- a/taskmanager/routes.py
+++ b/taskmanager/routes.py
@@ -99,21 +99,15 @@ def project(task_id:int):
         username = request.form['username']
         if len(username) < 1 or len(username) > 40:
             return "Username lenght invalid, only smaller then 40 charachters allowed"
-        if username in users:
-            return 'User already added to task'
+        for user in users:
+            if username == user.username:
+                return 'User already added to task'
         try:
             userid = User.query.filter_by(username = username).first().id
         except:
             return 'User not found, please <a href="/register">register</a>.'
         if userid is None:
             return 'User not found, please <a href="/register">register</a>.'
-        # check if user already added
-        try:
-            existinguser = TaskUser.query.filter_by(userid = userid, taskid = taskid ).first().userid
-        except:
-            existingusers = None
-        if existingusers == userid :
-            return "User already added"
         sqladduser = TaskUser(userid = userid, taskid = task_id)
         try:
             db.session.add(sqladduser)