diff --git a/src/clock_cb.cc b/src/clock_cb.cc
index 699d92b..8192f84 100644
--- a/src/clock_cb.cc
+++ b/src/clock_cb.cc
@@ -23,8 +23,9 @@ bool ClockCb::adjust(TimeStamp ts){
 	// lock jusqu'a la fin de la fonction
 	Glib::Mutex::Lock lock(_mutex);	 
 	// si les conditions sont remplies, alors on peut modifier l'horloge
-				
 	
+	printf("ClockCb::adjust -- stamp index : %d\n", ts.getIndex() );
+		
 	return result;
 }
 
diff --git a/src/config.cc b/src/config.cc
index 54f62e9..24c7c10 100644
--- a/src/config.cc
+++ b/src/config.cc
@@ -122,7 +122,12 @@ bool Config::isValid() {
 	}
 	valid++;
 
-	if (_index >= 0) {
+	if (_index >= 0){
+		score++;
+	}
+	valid++;
+
+	if (_index < _group_hosts.size()){
 		score++;
 	}
 	valid++;
diff --git a/src/lowreceiver_cb.cc b/src/lowreceiver_cb.cc
index 6d0a73c..975ec93 100644
--- a/src/lowreceiver_cb.cc
+++ b/src/lowreceiver_cb.cc
@@ -22,8 +22,8 @@ void LowReceiver::manage_cbcast(Message * mesg) {
 		printf("LowReceiver::manage_cbcast - Received my own message -- delivering automatically\n");
 		//on faire la gestion du cbcast/send ici, c'est plus simple que
 		//de partager une variable+mutex avec le sender
-		
-
+		//
+		_clock.adjust(mesg->getStamp());
 
 	} else {
 		printf("LowReceiver::manage_cbcast - Received a message from a friend\n");