diff --git a/td_tp/tp3/src/reseau/Makefile b/td_tp/tp3/src/reseau/Makefile
index 41ec6bf..d0a3c3a 100644
--- a/td_tp/tp3/src/reseau/Makefile
+++ b/td_tp/tp3/src/reseau/Makefile
@@ -1,13 +1,32 @@
-all : clt srv
+all : clt srv clt_echo srv_echo
 
 clt.o:clt.c
 	gcc -c clt.c
+
+clt_echo.o:clt_echo.c
+	gcc -c clt_echo.c
+
+
 clt: clt.o
 	gcc -o clt clt.o
+
+clt_echo: clt_echo.o
+	gcc -o clt_echo clt_echo.o
+
+
 srv.o : srv.c
 	gcc -c srv.c
+
+srv_echo.o : srv_echo.c
+	gcc -c srv.c
+
+
 srv : srv.o
 	gcc -o srv srv.c
 
+srv_echo : srv_echo.o
+	gcc -o srv_echo srv_echo.c
+
+
 
 
diff --git a/td_tp/tp3/src/reseau/clt_echo.c b/td_tp/tp3/src/reseau/clt_echo.c
index 75d9d96..e922963 100644
--- a/td_tp/tp3/src/reseau/clt_echo.c
+++ b/td_tp/tp3/src/reseau/clt_echo.c
@@ -20,8 +20,8 @@ int main(int argc, char * argv[]) {
 	struct sockaddr_in server_addr;
 	int addrlen; 
 
-	if (argc != 4) {
-		printf("Usage: %s <IP-address> <port number> <file to send>\n",argv[0]);
+	if (argc != 3) {
+		printf("Usage: %s <IP-address> <port number>\n",argv[0]);
 		exit(1);
 	}