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1 files changed, 2 insertions, 2 deletions

diff --git a/src/main/java/org/traccar/protocol/GalileoProtocolDecoder.java b/src/main/java/org/traccar/protocol/GalileoProtocolDecoder.java
index dfaedd695..dc558147a 100644
--- a/src/main/java/org/traccar/protocol/GalileoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/GalileoProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2013 - 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.
@@ -91,7 +91,7 @@ public class GalileoProtocolDecoder extends BaseProtocolDecoder {
     private static int getTagLength(int tag) {
         Integer length = TAG_LENGTH_MAP.get(tag);
         if (length == null) {
-            throw new IllegalArgumentException("Unknown tag: " + tag);
+            throw new IllegalArgumentException(String.format("Unknown tag: 0x%02x", tag));
         }
         return length;
     }