diff --git a/components/esp_wifi/src/smartconfig_ack.c b/components/esp_wifi/src/smartconfig_ack.c
index 3cda1a21c..2a08ff531 100644
--- a/components/esp_wifi/src/smartconfig_ack.c
+++ b/components/esp_wifi/src/smartconfig_ack.c
@@ -71,7 +71,12 @@ 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[4];
-    memcpy(remote_ip, ack->ctx.ip, sizeof(remote_ip));
+    if (ack->type == SC_TYPE_ESPTOUCH) {
+        memcpy(remote_ip, ack->ctx.ip, sizeof(remote_ip));
+    } else {
+        memset(remote_ip, 255, 4);
+    }
+
     int remote_port = (ack->type == SC_TYPE_ESPTOUCH) ? SC_ACK_TOUCH_SERVER_PORT : SC_ACK_AIRKISS_SERVER_PORT;
     struct sockaddr_in server_addr;
     socklen_t sin_size = sizeof(server_addr);