From 6bd60ae7483d73e8c4da0444fb029b4313d1e46d Mon Sep 17 00:00:00 2001
From: Ben Gotow <ben@foundry376.com>
Date: Tue, 9 Oct 2018 17:18:08 -0700
Subject: [PATCH] Fix exception when attempting to load a package with no
 `engines` in package.json

---
 app/src/package-manager.es6 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/package-manager.es6 b/app/src/package-manager.es6
index 009b67431..6cbf4090e 100644
--- a/app/src/package-manager.es6
+++ b/app/src/package-manager.es6
@@ -168,7 +168,7 @@ export default class PackageManager {
       );
     }
 
-    if (!json.engines.mailspring) {
+    if (!json.engines || !json.engines.mailspring) {
       return callback(
         new Error(
           localized(