diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
index 027dd45..ad4c1d4 100644
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -85,6 +85,11 @@
     ngx_str_t                       uri;
     ngx_str_t                       location;
     ngx_str_t                       url;  /* used in proxy_rewrite_location */
+
+#if (NGX_HTTP_SSL)
+    ngx_ssl_t                      *ssl;
+#endif
+
 } ngx_http_upstream_conf_t;