diff --git a/samples/web/webroot/WEB-INF/web.xml b/samples/web/webroot/WEB-INF/web.xml
index 80fc86c..1d2dc3c 100644
--- a/samples/web/webroot/WEB-INF/web.xml
+++ b/samples/web/webroot/WEB-INF/web.xml
@@ -34,6 +34,10 @@
                 #
                 # http://www.jsecurity.org/api/org/jsecurity/web/servlet/JSecurityFilter.html
 
+                [main]
+
+                demoRealm = org.jsecurity.realm.text.PropertiesRealm
+
                 [filters]
                 jsecurity.loginUrl = /login.jsp