diff --git a/src/Command/AddInvitesCommand.php b/src/Command/AddInvitesCommand.php
index 1c30c14..c27a585 100644
--- a/src/Command/AddInvitesCommand.php
+++ b/src/Command/AddInvitesCommand.php
@@ -44,7 +44,7 @@ class AddInvitesCommand extends Command
 
         $this->em->flush();
 
-        $output->writeln(sprintf('<info>%d invites added to \'%s\'.</info>', $number, $user->getUsername()));
+        $output->writeln(sprintf('<info>%d invites added to \'%s\'.</info>', $number, $user->getUserIdentifier()));
 
         return Command::SUCCESS;
     }
diff --git a/src/Command/AddUserCommand.php b/src/Command/AddUserCommand.php
index 8f4da3c..eb438ac 100644
--- a/src/Command/AddUserCommand.php
+++ b/src/Command/AddUserCommand.php
@@ -74,7 +74,7 @@ class AddUserCommand extends Command
 
         $this->em->flush();
 
-        $output->writeln(sprintf('<info>User \'%s\' registered, %d invites added.</info>', $user->getUsername(), $invites));
+        $output->writeln(sprintf('<info>User \'%s\' registered, %d invites added.</info>', $user->getUserIdentifier(), $invites));
 
         return Command::SUCCESS;
     }
diff --git a/templates/Account/profile.html.twig b/templates/Account/profile.html.twig
index 34a0c6d..f2e5748 100644
--- a/templates/Account/profile.html.twig
+++ b/templates/Account/profile.html.twig
@@ -10,7 +10,7 @@
     <tbody>
     <tr>
         <th scope="row">Username</th>
-        <td>{{ user.username }}</td>
+        <td>{{ user.userIdentifier }}</td>
         <td></td>
     </tr>
     <tr>