diff --git a/conf/cupsd.conf.in b/conf/cupsd.conf.in
index f69aa39030..31ecacb110 100644
--- a/conf/cupsd.conf.in
+++ b/conf/cupsd.conf.in
@@ -38,6 +38,8 @@ IdleExitTimeout @EXIT_TIMEOUT@
 
 # Restrict access to the admin pages...
 <Location /admin>
+  AuthType Default
+  Require user @SYSTEM
   Order allow,deny
 </Location>