diff --git a/src/Http/Controllers/RegisterController.php b/src/Http/Controllers/RegisterController.php
index 4ba8b72..9cd22f0 100644
--- a/src/Http/Controllers/RegisterController.php
+++ b/src/Http/Controllers/RegisterController.php
@@ -71,7 +71,9 @@ public function register(Request $request)
                 ->withErrors(['lslogin-id' => 'The Life Science Login ID is already connected with an account.']);
         }
 
-        return parent::register($request);
+        // Do not use parent::register() because this may be disabled with
+        // config('biigle.sso_registration_only').
+        return $this->baseRegister($request);
     }
 
     /**