diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 703b8ff98..7e06b677e 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -4335,6 +4335,10 @@ ngx_http_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags)
             continue;
         }
 
+        if (flags & NGX_HTTP_UPSTREAM_CREATE) {
+            uscfp[i]->flags = flags;
+        }
+
         return uscfp[i];
     }