diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index fbf3e70..6601734 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -322,6 +322,13 @@
             unsigned char *data;
         } hs[MBEDTLS_SSL_MAX_BUFFERED_HS];
 
+        struct
+        {
+            unsigned char *data;
+            size_t len;
+            unsigned epoch;
+        } future_record;
+
     } buffering;
 #endif /* MBEDTLS_SSL_PROTO_DTLS */