diff --git a/src/chat/client/main.c b/src/chat/client/main.c
index 6649f8f..5851412 100644
--- a/src/chat/client/main.c
+++ b/src/chat/client/main.c
@@ -18,7 +18,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #include <why2/chat/common.h>
 
-int main()
+int main(void)
 {
     int listen_socket = socket(AF_INET, SOCK_STREAM, 0); //CREATE SERVER SOCKET