diff --git a/data/etc/apache2/includes/freedombox-single-sign-on.conf b/data/etc/apache2/includes/freedombox-single-sign-on.conf
index 1cc675b9c..1305b43d0 100644
--- a/data/etc/apache2/includes/freedombox-single-sign-on.conf
+++ b/data/etc/apache2/includes/freedombox-single-sign-on.conf
@@ -11,5 +11,5 @@
 </IfModule>
 
 <IfModule !mod_auth_pubtkt.c>
-    Deny from all
-</IfModule>
\ No newline at end of file
+    Require all denied
+</IfModule>