diff --git a/compareImages.js b/compareImages.js
index 42e5772..89d2e98 100644
--- a/compareImages.js
+++ b/compareImages.js
@@ -1,6 +1,6 @@
 const resemble = require('./resemble');
 
-module.exports = async function(image1, image2) {
+module.exports = function(image1, image2) {
   return new Promise(function(resolve, reject) {
     resemble(image1).compareTo(image2).onComplete(function(data) {
       if (data.error) {