diff --git a/src/checks.c b/src/checks.c
index b4e9857..4022cad 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -692,6 +692,7 @@
 						fdtab[fd].peeraddr = (struct sockaddr *)&sa;
 						fdtab[fd].peerlen = sizeof(sa);
 						fdtab[fd].state = FD_STCONN; /* connection in progress */
+						fdtab[fd].flags = FD_FL_TCP | FD_FL_TCP_NODELAY;
 						EV_FD_SET(fd, DIR_WR);  /* for connect status */
 #ifdef DEBUG_FULL
 						assert (!EV_FD_ISSET(fd, DIR_RD));