diff --git a/components/smartconfig_ack/smartconfig_ack.c b/components/smartconfig_ack/smartconfig_ack.c
index 0bdaa48c..99408ef0 100644
--- a/components/smartconfig_ack/smartconfig_ack.c
+++ b/components/smartconfig_ack/smartconfig_ack.c
@@ -47,7 +47,8 @@ static void sc_ack_send_task(void *pvParameters)
 {
     sc_ack_t *ack = (sc_ack_t *)pvParameters;
     tcpip_adapter_ip_info_t local_ip;
-    uint8_t *remote_ip = ack->ctx.ip;
+    uint8_t remote_ip[4];
+    memcpy(remote_ip, ack->ctx.ip, sizeof(remote_ip));
     int remote_port = (ack->type == SC_ACK_TYPE_ESPTOUCH) ? SC_ACK_TOUCH_SERVER_PORT : SC_ACK_AIRKISS_SERVER_PORT;
     struct sockaddr_in server_addr;
     socklen_t sin_size = sizeof(server_addr);