diff --git a/trunk/WEB-INF/classes/siprp/pagina/siprpServlet.java b/trunk/WEB-INF/classes/siprp/pagina/siprpServlet.java
index ce249ca0..2db103a8 100644
--- a/trunk/WEB-INF/classes/siprp/pagina/siprpServlet.java
+++ b/trunk/WEB-INF/classes/siprp/pagina/siprpServlet.java
@@ -138,7 +138,7 @@ System.out.println( "query: " + queryString );
                 session.invalidate();
                 out.println( mergeTemplate ( msgLogin, indexTemplate ) ) ;
             }
-            else if ( session.isNew() ) // session timeout
+            else if ( session.isNew() && !( queryString.indexOf(queryStringErro) == 0 ) ) // session timeout
             {
                 session.invalidate();
                 throw new IllegalStateException();