From 7841d44ccf9160c80e17cfc674edeb44749160ae Mon Sep 17 00:00:00 2001
From: DD Liu <liudi@media.mit.edu>
Date: Thu, 11 May 2017 10:33:46 -0400
Subject: [PATCH] Move the block.isMonitored below the block is undefined check

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

diff --git a/src/engine/blocks.js b/src/engine/blocks.js
index 95a02ec9c..3d9b44d61 100644
--- a/src/engine/blocks.js
+++ b/src/engine/blocks.js
@@ -276,9 +276,9 @@ class Blocks {
         // Validate
         if (['field', 'mutation', 'checkbox'].indexOf(args.element) === -1) return;
         const block = this._blocks[args.id];
-        let wasMonitored = block.isMonitored;
         if (typeof block === 'undefined') return;
 
+        let wasMonitored = block.isMonitored;
         switch (args.element) {
         case 'field':
             // Update block value