diff --git a/Implementation/src/Protocoles/SessionClavardage.java b/Implementation/src/Protocoles/SessionClavardage.java
index 757ad6c..d3e3754 100644
--- a/Implementation/src/Protocoles/SessionClavardage.java
+++ b/Implementation/src/Protocoles/SessionClavardage.java
@@ -64,7 +64,7 @@ public class SessionClavardage extends Thread {
 	public void arretSession() {
 		MessageHorodate msgh = new MessageHorodate(getU2(),getApp().getMe(),".",2);
 		try {
-			getOut().writeObject(msgh);
+			getOut().writeObject(msgh.toString());
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
@@ -79,7 +79,7 @@ public class SessionClavardage extends Thread {
 	public void envoiMsg(String msg) {
 		MessageHorodate msgh = new MessageHorodate(getU2(),getApp().getMe(),msg,1);
 		try {
-			getOut().writeObject(msgh);
+			getOut().writeObject(msgh.toString());
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
@@ -93,10 +93,12 @@ public class SessionClavardage extends Thread {
 	
 	
 	public void run() {
+		String plaintext = null;
 		MessageHorodate msg = null;
 		while(true) {
 			try {
-				msg = (MessageHorodate) getIn().readObject();
+				plaintext = (String) getIn().readObject();
+				msg = MessageHorodate.stringToMessageHorodate(plaintext);
 				
 			} catch (ClassNotFoundException e) {
 				e.printStackTrace();