From 6d798a848defc2842933b0ace48f2d7350637de0 Mon Sep 17 00:00:00 2001
From: "james.cryer" <james.cryer@huddle.com>
Date: Thu, 10 May 2018 15:17:41 +0100
Subject: [PATCH] Fixes issue where PhantomJS fails to parse the file

---
 resemble.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/resemble.js b/resemble.js
index 4b3a97a..a3a71e3 100644
--- a/resemble.js
+++ b/resemble.js
@@ -986,8 +986,8 @@ URL: https://github.com/Huddle/Resemble.js
     }
 
     resemble.compare = function(image1, image2, options, cb) {
-        let callback;
-        let opt;
+        var callback;
+        var opt;
 
         if (typeof options === "function") {
             callback = options;