diff --git a/include/mbedtls/net_sockets.h b/include/mbedtls/net_sockets.h
index 319f4be..502b9f4 100644
--- a/include/mbedtls/net_sockets.h
+++ b/include/mbedtls/net_sockets.h
@@ -37,6 +37,7 @@
  */
 #ifndef MBEDTLS_NET_SOCKETS_H
 #define MBEDTLS_NET_SOCKETS_H
+#include "mbedtls/private_access.h"
 
 #if !defined(MBEDTLS_CONFIG_FILE)
 #include "mbedtls/config.h"
@@ -84,7 +85,7 @@
  */
 typedef struct mbedtls_net_context
 {
-    int fd;             /**< The underlying file descriptor                 */
+    int MBEDTLS_PRIVATE(fd);             /**< The underlying file descriptor                 */
 }
 mbedtls_net_context;