diff --git a/helpmehelpapplication/src/main/java/ntnu/systemutvikling/team6/service/AuthenticationService.java b/helpmehelpapplication/src/main/java/ntnu/systemutvikling/team6/service/AuthenticationService.java
index ee78058..ec33f60 100644
--- a/helpmehelpapplication/src/main/java/ntnu/systemutvikling/team6/service/AuthenticationService.java
+++ b/helpmehelpapplication/src/main/java/ntnu/systemutvikling/team6/service/AuthenticationService.java
@@ -74,9 +74,9 @@ public boolean login(String username, String password){
      *         username is already taken or the database operation failed
      */
     public boolean register(String displayName, String username, String email, String password ){
-        User newUser = new User(displayName, username, email, password, Role.NORMAL_USER, new Settings(), new Inbox());
+        User newUser = new User(username, email, password, Role.NORMAL_USER, new Settings(), new Inbox());
 
-        if(userDataReader.isUsernameTaken(username)){
+        if(userDataReader.isEmailTaken(username)){
             return false;
         }