diff --git a/public/javascripts/imageupload.js b/public/javascripts/imageupload.js
index c3c1453..b81bf2f 100644
--- a/public/javascripts/imageupload.js
+++ b/public/javascripts/imageupload.js
@@ -87,9 +87,10 @@ angular.module('imageupload', [])
                 var doResizing = function(imageResult, callback) {
                     createImage(imageResult.url, function(image) {
                         var dataURL = resizeImage(image, scope);
+                        var imageType = dataURL.substring(5, dataURL.indexOf(';'));
                         imageResult.resized = {
                             dataURL: dataURL,
-                            type: dataURL.match(/:(.+\/.+);/)[1],
+                            type: imageType
                         };
                         callback(imageResult);
                     });