diff --git a/lib/md5.c b/lib/md5.c
index 3738d7a02fe5f8..8ac1f6bc2fb866 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -157,6 +157,9 @@ static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
     CryptReleaseContext(ctx->hCryptProv, 0);
 }
 
+#elif defined(USE_AXTLS)
+#include <axTLS/os_int.h>
+#include <axTLS/crypto.h>
 #else
 /* When no other crypto library is available we use this code segment */
 /*