diff --git a/static/js/chunkupload.js b/static/js/chunkupload.js
index e85b47a4..90b7135e 100644
--- a/static/js/chunkupload.js
+++ b/static/js/chunkupload.js
@@ -27,7 +27,7 @@
 */
 pandora.chunkupload = function(options) {
     var aborted = false,
-        chunkSize = options.size || 1024 * 1024,
+        chunkSize = options.size || 1024 * 1024 * 5,
         chunkURL,
         file = options.file,
         bytesAvailable = file.size,