From 8bee45d0f498924f1ec4df3f9dee43f9cdbf803e Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Thu, 8 Jun 2017 15:27:28 +0200
Subject: [PATCH] don't try to replace undefined

---
 rpc.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rpc.js b/rpc.js
index 6585a88f9..cfb6d7772 100644
--- a/rpc.js
+++ b/rpc.js
@@ -78,7 +78,7 @@ var parseCookie = function (cookie) {
 };
 
 var escapeKeyCharacters = function (key) {
-    return key.replace(/\//g, '-');
+    return key && key.replace && key.replace(/\//g, '-');
 };
 
 var unescapeKeyCharacters = function (key) {