diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
index 637a38d..d6b4a62 100644
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -167,6 +167,8 @@
 
     ngx_str_t                       uri;
 
+    ngx_http_cleanup_pt            *cleanup;
+
     unsigned                        cachable:1;
     unsigned                        accel:1;