diff --git a/roles/freeradius/templates/sites-available/outer-aurore.j2 b/roles/freeradius/templates/sites-available/outer-aurore.j2
index f5ad8b6..87eb0bf 100644
--- a/roles/freeradius/templates/sites-available/outer-aurore.j2
+++ b/roles/freeradius/templates/sites-available/outer-aurore.j2
@@ -28,7 +28,7 @@ server outer-aurore {
         linelog_outer_authz_user
         filter_username
         split_username_nai
-        if (&Stripped-User-Domain != "auro.re") {
+        if (&Stripped-User-Domain && &Stripped-User-Domain != "auro.re") {
             linelog_outer_unknown_domain
             reject
         }