diff --git a/webrtc-android-sample-app/src/main/java/io/antmedia/webrtc_android_sample_app/DataChannelActivity.java b/webrtc-android-sample-app/src/main/java/io/antmedia/webrtc_android_sample_app/DataChannelActivity.java
index 2c2b650f..0c2f8717 100644
--- a/webrtc-android-sample-app/src/main/java/io/antmedia/webrtc_android_sample_app/DataChannelActivity.java
+++ b/webrtc-android-sample-app/src/main/java/io/antmedia/webrtc_android_sample_app/DataChannelActivity.java
@@ -547,6 +547,7 @@ void sendFirstChunk(String messageHeader) {
 
             // put length how much data will be sent in total
             ByteBuffer imageChunkData = ByteBuffer.allocate(totalMessageHeaderLength+endChunk);
+            imageChunkData.order(ByteOrder.LITTLE_ENDIAN);
             imageChunkData.putInt(dataBytes.length);
             imageChunkData.putInt(header.length);
             imageChunkData.put(messageHeaderBytes);