diff --git a/croppie.js b/croppie.js
index <HASH>..<HASH> 100755
--- a/croppie.js
+++ b/croppie.js
@@ -1163,7 +1163,8 @@
     var RESULT_DEFAULTS = {

             type: 'canvas',

             format: 'png',

-            quality: 1

+            quality: 1,

+            size: 'viewport'

         },

         RESULT_FORMATS = ['jpeg', 'webp', 'png'];
Added missing default value for size

The documentation says the default value is 'viewport', but actually it is not set at all.