diff --git a/www/Canvas2ImagePlugin.js b/www/Canvas2ImagePlugin.js
index 4eb4881..e46b6db 100644
--- a/www/Canvas2ImagePlugin.js
+++ b/www/Canvas2ImagePlugin.js
@@ -7,24 +7,21 @@
 //  MIT Licensed
 //
 
-
-  function Canvas2ImagePlugin() {}
-  
-  Canvas2ImagePlugin.prototype.saveImageDataToLibrary = function(successCallback, failureCallback, canvasId) {
-    // successCallback required
-    if (typeof successCallback != "function") {
-      console.log("Canvas2ImagePlugin Error: successCallback is not a function");
-      return;
+  module.exports = {
+    
+    saveImageDataToLibrary:function(successCallback, failureCallback, canvasId) {
+        // successCallback required
+        if (typeof successCallback != "function") {
+            console.log("Canvas2ImagePlugin Error: successCallback is not a function");
+        }
+        else if (typeof failureCallback != "function") {
+            console.log("Canvas2ImagePlugin Error: failureCallback is not a function");
+        }
+        else {
+            var canvas = (typeof canvasId === "string") ? document.getElementById(canvasId) : canvasId;
+            var imageData = canvas.toDataURL().replace(/data:image\/png;base64,/,'');
+            return cordova.exec(successCallback, failureCallback, "Canvas2ImagePlugin","saveImageDataToLibrary",[imageData]);
+        }
     }
-    if (typeof failureCallback != "function") {
-      console.log("Canvas2ImagePlugin Error: failureCallback is not a function");
-      return;
-    }
-    var canvas = (typeof canvasId === "string") ? document.getElementById(canvasId) : canvasId;
-    var imageData = canvas.toDataURL().replace(/data:image\/png;base64,/,'');
-    return cordova.exec(successCallback, failureCallback, "Canvas2ImagePlugin","saveImageDataToLibrary",[imageData]);
   };
-
-  var canvas2ImagePlugin = new Canvas2ImagePlugin();
-  module.exports = canvas2ImagePlugin;