From 338f4bcdeae850d410dbdf0e89c38fe64e3e8235 Mon Sep 17 00:00:00 2001
From: Girish Ramakrishnan <girish@cloudron.io>
Date: Mon, 25 Jul 2016 11:39:32 -0700
Subject: [PATCH] docker event stream can be null if it errored

---
 src/apphealthmonitor.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/apphealthmonitor.js b/src/apphealthmonitor.js
index f496db5b9..7a26c4b05 100644
--- a/src/apphealthmonitor.js
+++ b/src/apphealthmonitor.js
@@ -194,7 +194,7 @@ function stop(callback) {
     assert.strictEqual(typeof callback, 'function');
 
     clearTimeout(gRunTimeout);
-    gDockerEventStream.end();
+    if (gDockerEventStream) gDockerEventStream.end();
 
     callback();
 }