diff --git a/src/RegisterPage.cpp b/src/RegisterPage.cpp
index bae24df0..fb6a1b97 100644
--- a/src/RegisterPage.cpp
+++ b/src/RegisterPage.cpp
@@ -3,6 +3,7 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
+#include <QInputDialog>
 #include <QLabel>
 #include <QMetaType>
 #include <QPainter>
@@ -481,6 +482,23 @@ RegisterPage::doUIA(const mtx::user_interactive::Unauthorized &unauthorized)
                 doRegistrationWithAuth(
                   mtx::user_interactive::Auth{session, mtx::user_interactive::auth::Dummy{}});
 
+        } else if (current_stage == mtx::user_interactive::auth_types::registration_token) {
+                bool ok;
+                QString token =
+                  QInputDialog::getText(this,
+                                        tr("Registration token"),
+                                        tr("Please enter a valid registration token."),
+                                        QLineEdit::Normal,
+                                        QString(),
+                                        &ok);
+
+                if (ok) {
+                        emit registrationWithAuth(mtx::user_interactive::Auth{
+                          session,
+                          mtx::user_interactive::auth::RegistrationToken{token.toStdString()}});
+                } else {
+                        emit errorOccurred();
+                }
         } else {
                 // use fallback
                 auto dialog = new dialogs::FallbackAuth(