diff --git a/components/vfs/test_apps/main/test_vfs_lwip.c b/components/vfs/test_apps/main/test_vfs_lwip.c
index 3bed7d5ec8..e9cf3870ab 100644
--- a/components/vfs/test_apps/main/test_vfs_lwip.c
+++ b/components/vfs/test_apps/main/test_vfs_lwip.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -15,8 +15,9 @@ TEST_CASE("fstat() sets st_mode to socket type", "[vfs][lwip]")
 {
     test_case_uses_tcpip();
     int socket_fd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
+    TEST_ASSERT(socket_fd >= 0);
     struct stat stat = { 0 };
-    fstat(socket_fd, &stat);
+    TEST_ASSERT_EQUAL(0, fstat(socket_fd, &stat));
 
     TEST_ASSERT_TRUE(S_ISSOCK(stat.st_mode));
     TEST_ASSERT_FALSE(S_ISBLK(stat.st_mode));
@@ -25,5 +26,5 @@ TEST_CASE("fstat() sets st_mode to socket type", "[vfs][lwip]")
     TEST_ASSERT_FALSE(S_ISREG(stat.st_mode));
     TEST_ASSERT_FALSE(S_ISLNK(stat.st_mode));
 
-    close(socket_fd);
+    TEST_ASSERT_EQUAL(0, close(socket_fd));
 }