diff --git a/net/tcp/tcp_netpoll.c b/net/tcp/tcp_netpoll.c
index 5a044d70166..f2c6f3b1bad 100644
--- a/net/tcp/tcp_netpoll.c
+++ b/net/tcp/tcp_netpoll.c
@@ -212,8 +212,8 @@ static inline void tcp_iob_work(FAR void *arg)
    * event.  If so, don't do it again and don't setup notification again.
    */
 
-  else if ((fds->events && POLLWRNORM) == 0 ||
-           (fds->revents && POLLWRNORM) != 0)
+  else if ((fds->events & POLLWRNORM) != 0 &&
+           (fds->revents & POLLWRNORM) == 0)
     {
       /* Check if we are now able to send */
 
diff --git a/net/udp/udp_netpoll.c b/net/udp/udp_netpoll.c
index 4ac2a563f8c..9c2ae9a134f 100644
--- a/net/udp/udp_netpoll.c
+++ b/net/udp/udp_netpoll.c
@@ -185,8 +185,8 @@ static inline void udp_iob_work(FAR void *arg)
    * event.  If so, don't do it again.
    */
 
-  if ((fds->events && POLLWRNORM) == 0 ||
-      (fds->revents && POLLWRNORM) != 0)
+  if ((fds->events & POLLWRNORM) != 0 &&
+      (fds->revents & POLLWRNORM) == 0)
     {
       /* Check if we are now able to send */