1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/org/traccar/ExtendedObjectDecoder.java b/src/main/java/org/traccar/ExtendedObjectDecoder.java
index 681924e87..dad52d3ff 100644
--- a/src/main/java/org/traccar/ExtendedObjectDecoder.java
+++ b/src/main/java/org/traccar/ExtendedObjectDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2020 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,7 +35,7 @@ public abstract class ExtendedObjectDecoder extends ChannelInboundHandlerAdapter
             Position position = (Position) decodedMessage;
             if (originalMessage instanceof ByteBuf) {
                 ByteBuf buf = (ByteBuf) originalMessage;
-                position.set(Position.KEY_ORIGINAL, ByteBufUtil.hexDump(buf));
+                position.set(Position.KEY_ORIGINAL, ByteBufUtil.hexDump(buf, 0, buf.writerIndex()));
             } else if (originalMessage instanceof String) {
                 position.set(Position.KEY_ORIGINAL, DataConverter.printHex(
                                 ((String) originalMessage).getBytes(StandardCharsets.US_ASCII)));