diff --git a/src/checks.c b/src/checks.c
index 0996925..2ae01db 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -336,6 +336,7 @@
 						fdtab[fd].cb[DIR_WR].f = &event_srv_chk_w;
 						fdtab[fd].cb[DIR_WR].b = NULL;
 						fdtab[fd].state = FD_STCONN; /* connection in progress */
+						fdtab[fd].ev = 0;
 						EV_FD_SET(fd, DIR_WR);  /* for connect status */
 #ifdef DEBUG_FULL
 						assert (!EV_FD_ISSET(fd, DIR_RD));
diff --git a/src/client.c b/src/client.c
index 46cf43e..521b860 100644
--- a/src/client.c
+++ b/src/client.c
@@ -385,6 +385,7 @@
 		fdtab[cfd].cb[DIR_RD].b = s->req;
 		fdtab[cfd].cb[DIR_WR].f = &stream_sock_write;
 		fdtab[cfd].cb[DIR_WR].b = s->rep;
+		fdtab[cfd].ev = 0;
 
 		if ((p->mode == PR_MODE_HTTP && (s->flags & SN_MONITOR)) ||
 		    (p->mode == PR_MODE_HEALTH && (p->options & PR_O_HTTP_CHK))) {
diff --git a/src/proxy.c b/src/proxy.c
index 93eab16..9096c91 100644
--- a/src/proxy.c
+++ b/src/proxy.c
@@ -153,6 +153,7 @@
 			fdtab[fd].cb[DIR_RD].b = fdtab[fd].cb[DIR_WR].b = NULL;
 			fdtab[fd].owner = (struct task *)curproxy; /* reference the proxy instead of a task */
 			fdtab[fd].state = FD_STLISTEN;
+			fdtab[fd].ev = 0;
 			listeners++;
 		}