diff --git a/src/parsing/esds.js b/src/parsing/esds.js
index 966a7566..3e767607 100644
--- a/src/parsing/esds.js
+++ b/src/parsing/esds.js
@@ -1,5 +1,6 @@
-BoxParser.createFullBoxCtor("esds", function(stream) {
-	var esd_data = stream.readUint8Array(this.size-this.hdr_size);
+BoxParser.createFullBoxCtor("esds", function (stream) {
+	var esd_data = stream.readUint8Array(this.size - this.hdr_size);
+	this.data = esd_data
 	if (typeof MPEG4DescriptorParser !== "undefined") {
 		var esd_parser = new MPEG4DescriptorParser();
 		this.esd = esd_parser.parseOneDescriptor(new DataStream(esd_data.buffer, 0, DataStream.BIG_ENDIAN));