--- redis-nginx-module-0.3.9/ngx_http_redis_module.c	2021-08-02 23:01:47.810190756 +0800
+++ redis-nginx-module-0.3.9-patched/ngx_http_redis_module.c	2021-08-02 23:02:06.861317611 +0800
@@ -1021,12 +1021,14 @@
             continue;
         }
 
+#if (nginx_version < 1011006)
         if (uscfp[i]->default_port
             && url->default_port
             && uscfp[i]->default_port != url->default_port)
         {
             continue;
         }
+#endif
 
         return uscfp[i];
     }