diff --git a/plugins/protocol_lws_meta.c b/plugins/protocol_lws_meta.c
index 6a8eb16a..db25bada 100644
--- a/plugins/protocol_lws_meta.c
+++ b/plugins/protocol_lws_meta.c
@@ -581,6 +581,7 @@ callback_lws_meta(struct lws *wsi, enum lws_callback_reasons reason,
 		callback_lws_meta, \
 		sizeof(struct per_session_data__lws_meta), \
 		1024, /* rx buf size must be >= permessage-deflate rx size */ \
+		0, NULL, 0 \
 	}
 
 #if !defined (LWS_PLUGIN_STATIC)