diff --git a/wolfssl/wolfcrypt/wc_port.h b/wolfssl/wolfcrypt/wc_port.h
index eb4a4e0a4..910c29a6e 100644
--- a/wolfssl/wolfcrypt/wc_port.h
+++ b/wolfssl/wolfcrypt/wc_port.h
@@ -618,6 +618,7 @@
                 #include <winsock2.h>
             #endif
             #include <windows.h>
+            #include <ws2tcpip.h>
         #endif /* WOLFSSL_SGX */
     #endif
 #elif defined(THREADX)