diff --git a/ssoauth/auth_utils.py b/ssoauth/auth_utils.py
index 4e785f9e404f52397ef4e3e9edf5c838e131a2a0..f52a6eb1f985451094f86935cfa4856e98a86435 100644
--- a/ssoauth/auth_utils.py
+++ b/ssoauth/auth_utils.py
@@ -157,6 +157,7 @@ def update_user_compat_flags(user, check_login_perm=True):
     user_groups = user.groups.all()
     su_groups = get_superuser_groups()
     if bool(set(user_groups) & set(su_groups)):
+        logger.info("User {0} is superuser (has all permissions).".format(user))
         user.is_superuser = True
     # is_staff
     if user.has_perm(get_full_perm_name(STAFF_PERM_CODENAME)):