diff --git a/src/connection.c b/src/connection.c
index e2d75ba..03a9bb0 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -153,7 +153,7 @@
 		conn->flags |= CO_FL_CONNECTED;
 
 	/* remove the events before leaving */
-	fdtab[fd].ev &= ~(FD_POLL_IN | FD_POLL_OUT | FD_POLL_HUP | FD_POLL_ERR);
+	fdtab[fd].ev &= FD_POLL_STICKY;
 
 	/* commit polling changes */
 	conn_cond_update_polling(conn);
diff --git a/src/ev_epoll.c b/src/ev_epoll.c
index 870da10..2cd596a 100644
--- a/src/ev_epoll.c
+++ b/src/ev_epoll.c
@@ -161,10 +161,10 @@
 			 * them so that if nothing can be done we don't need
 			 * to poll again.
 			 */
-			if (fdtab[fd].ev & (FD_POLL_IN|FD_POLL_HUP|FD_POLL_ERR))
+			if (fdtab[fd].ev & FD_POLL_IN)
 				fd_ev_set(fd, DIR_RD);
 
-			if (fdtab[fd].ev & (FD_POLL_OUT|FD_POLL_ERR))
+			if (fdtab[fd].ev & FD_POLL_OUT)
 				fd_ev_set(fd, DIR_WR);
 
 			fdtab[fd].iocb(fd);
diff --git a/src/ev_kqueue.c b/src/ev_kqueue.c
index 54c52c2..36a7b7f 100644
--- a/src/ev_kqueue.c
+++ b/src/ev_kqueue.c
@@ -152,10 +152,10 @@
 			 * them so that if nothing can be done we don't need
 			 * to poll again.
 			 */
-			if (fdtab[fd].ev & (FD_POLL_IN|FD_POLL_HUP|FD_POLL_ERR))
+			if (fdtab[fd].ev & FD_POLL_IN)
 				fd_ev_set(fd, DIR_RD);
 
-			if (fdtab[fd].ev & (FD_POLL_OUT|FD_POLL_ERR))
+			if (fdtab[fd].ev & FD_POLL_OUT)
 				fd_ev_set(fd, DIR_WR);
 
 			fdtab[fd].iocb(fd);
diff --git a/src/ev_poll.c b/src/ev_poll.c
index 2ce4815..cdc357f 100644
--- a/src/ev_poll.c
+++ b/src/ev_poll.c
@@ -166,10 +166,10 @@
 			 * them so that if nothing can be done we don't need
 			 * to poll again.
 			 */
-			if (fdtab[fd].ev & (FD_POLL_IN|FD_POLL_HUP|FD_POLL_ERR))
+			if (fdtab[fd].ev & FD_POLL_IN)
 				fd_ev_set(fd, DIR_RD);
 
-			if (fdtab[fd].ev & (FD_POLL_OUT|FD_POLL_ERR))
+			if (fdtab[fd].ev & FD_POLL_OUT)
 				fd_ev_set(fd, DIR_WR);
 
 			fdtab[fd].iocb(fd);
diff --git a/src/ev_select.c b/src/ev_select.c
index 0ac74e7..356eed7 100644
--- a/src/ev_select.c
+++ b/src/ev_select.c
@@ -161,10 +161,10 @@
 				 * them so that if nothing can be done we don't need
 				 * to poll again.
 				 */
-				if (fdtab[fd].ev & (FD_POLL_IN|FD_POLL_HUP|FD_POLL_ERR))
+				if (fdtab[fd].ev & FD_POLL_IN)
 					fd_ev_set(fd, DIR_RD);
 
-				if (fdtab[fd].ev & (FD_POLL_OUT|FD_POLL_ERR))
+				if (fdtab[fd].ev & FD_POLL_OUT)
 					fd_ev_set(fd, DIR_WR);
 
 				fdtab[fd].iocb(fd);