From 7b2f606316a4cc3f767da1272344ad8065487430 Mon Sep 17 00:00:00 2001
From: Paul Kaplan <pkaplan@media.mit.edu>
Date: Tue, 5 Jun 2018 10:45:51 -0400
Subject: [PATCH] Fix an issue where variable lookup would error if stage did
 not exist.

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

diff --git a/src/engine/target.js b/src/engine/target.js
index 223254221..5e4d2e08a 100644
--- a/src/engine/target.js
+++ b/src/engine/target.js
@@ -154,7 +154,7 @@ class Target extends EventEmitter {
         // If the stage has a global copy, return it.
         if (this.runtime && !this.isStage) {
             const stage = this.runtime.getTargetForStage();
-            if (stage.variables.hasOwnProperty(id)) {
+            if (stage && stage.variables.hasOwnProperty(id)) {
                 return stage.variables[id];
             }
         }