diff --git a/extmod/modlwip.c b/extmod/modlwip.c
index 1e9b8c459..4358544ba 100644
--- a/extmod/modlwip.c
+++ b/extmod/modlwip.c
@@ -1476,13 +1476,14 @@ STATIC mp_uint_t lwip_socket_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_
             ret |= flags & (MP_STREAM_POLL_RD | MP_STREAM_POLL_WR);
         } else if (socket->state == ERR_RST) {
             // Socket was reset by peer, a write will return an error
-            ret |= flags & (MP_STREAM_POLL_WR | MP_STREAM_POLL_HUP);
+            ret |= flags & MP_STREAM_POLL_WR;
+            ret |= MP_STREAM_POLL_HUP;
         } else if (socket->state == _ERR_BADF) {
             ret |= MP_STREAM_POLL_NVAL;
         } else if (socket->state < 0) {
             // Socket in some other error state, use catch-all ERR flag
             // TODO: may need to set other return flags here
-            ret |= flags & MP_STREAM_POLL_ERR;
+            ret |= MP_STREAM_POLL_ERR;
         }
 
     } else if (request == MP_STREAM_CLOSE) {