diff --git a/mon/make-etcd b/mon/make-etcd
index 0ae23f00..3c4623aa 100755
--- a/mon/make-etcd
+++ b/mon/make-etcd
@@ -45,7 +45,7 @@ async function run()
         process.exit(1);
     }
     const etcds = (config.etcd_address instanceof Array ? config.etcd_address : (''+config.etcd_address).split(/,/))
-        .map(s => (''+s).replace(/^https?:\/\/\[?|\]?(:\d+)?\/.*$/g, '').toLowerCase());
+        .map(s => (''+s).replace(/^https?:\/\/\[?|\]?(:\d+)?(\/.*)?$/g, '').toLowerCase());
     const num = select_local_etcd(etcds);
     if (num < 0)
     {