diff --git a/tsock_v4.c b/tsock_v4.c
index a6058af..292218d 100644
--- a/tsock_v4.c
+++ b/tsock_v4.c
@@ -392,7 +392,7 @@ int main (int argc, char **argv) {
         exit(1);
       }
 
-      while (1) {
+      while (sock != 0) {
 
         //acceptation d'une demande de connexion
         if((sock_bis=accept(sock,(struct sockaddr *)&adr_em, &lg_adr_em)) == -1) {
@@ -409,6 +409,7 @@ int main (int argc, char **argv) {
             break;
           case 0:
             close(sock);
+            sock = 0;
               if (source == 1) {
                 //envoi
                 for(i=0; i<nb_message; i++) {