diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index 765da7a..c817def 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -557,7 +557,7 @@
  *              following the above definition.
  *
  */
-int mbedtls_ssl_read_record( mbedtls_ssl_context *ssl );
+int mbedtls_ssl_read_record( mbedtls_ssl_context *ssl, unsigned update_digest );
 int mbedtls_ssl_fetch_input( mbedtls_ssl_context *ssl, size_t nb_want );
 
 int mbedtls_ssl_write_handshake_msg( mbedtls_ssl_context *ssl );