--- /dev/null
+--- a/lib/vtls/mbedtls.c
++++ b/lib/vtls/mbedtls.c
+@@ -1029,7 +1029,7 @@ static void Curl_mbedtls_sha256sum(const
+ size_t sha256len UNUSED_PARAM)
+ {
+ (void)sha256len;
+- mbedtls_sha256(input, inputlen, sha256sum, 0);
++ mbedtls_sha256_ret(input, inputlen, sha256sum, 0);
+ }
+
+ static void *Curl_mbedtls_get_internals(struct ssl_connect_data *connssl,