diff --git a/components/net/at/at_socket/at_socket.c b/components/net/at/at_socket/at_socket.c
index 6357caa66e..01646f0d89 100644
--- a/components/net/at/at_socket/at_socket.c
+++ b/components/net/at/at_socket/at_socket.c
@@ -700,7 +700,7 @@ __exit:
     {
         result = recv_len;
         at_do_event_changes(sock, AT_EVENT_RECV, RT_FALSE);
-
+        errno = 0;
         if (!rt_slist_isempty(&sock->recvpkt_list))
         {
             at_do_event_changes(sock, AT_EVENT_RECV, RT_TRUE);