diff --git a/cps/web.py b/cps/web.py
index aa1cac1a..758a2313 100644
--- a/cps/web.py
+++ b/cps/web.py
@@ -307,6 +307,7 @@ def before_request():
 
 
 @app.route('/import_ldap_users')
+@login_required
 def import_ldap_users():
     showtext = {}
     try: