diff --git a/trunk/PlanosActuacao/src/java/utils/JSFUtils.java b/trunk/PlanosActuacao/src/java/utils/JSFUtils.java
index 1dd087f9..1b9acc2f 100644
--- a/trunk/PlanosActuacao/src/java/utils/JSFUtils.java
+++ b/trunk/PlanosActuacao/src/java/utils/JSFUtils.java
@@ -85,6 +85,7 @@ public class JSFUtils {
         ExternalContext ectx = fc.getCurrentInstance().getExternalContext();
         HttpSession session = (HttpSession) ectx.getSession(false);
         session.invalidate();
+		Utils.doLogout();
     }
     
     public static void navigateTo(FacesContext fc, String outcome)
diff --git a/trunk/PlanosActuacao/src/java/utils/Utils.java b/trunk/PlanosActuacao/src/java/utils/Utils.java
index 01e30839..fcdcd7c4 100644
--- a/trunk/PlanosActuacao/src/java/utils/Utils.java
+++ b/trunk/PlanosActuacao/src/java/utils/Utils.java
@@ -5,6 +5,8 @@
 
 package utils;
 
+import com.evolute.utils.Singleton;
+
 /**
  *
  * @author lluis
@@ -80,4 +82,10 @@ public class Utils {
 		return output;
 	}     
 
+
+	public static void doLogout()
+	{
+		Singleton.setInstance( Singleton.USERNAME, null );
+	}
+
 }