1 files changed, 5 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/StringProtocolEncoder.java b/src/main/java/org/traccar/StringProtocolEncoder.java
index 1945ae174..d9acce7f0 100644
--- a/src/main/java/org/traccar/StringProtocolEncoder.java
+++ b/src/main/java/org/traccar/StringProtocolEncoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2019 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.
@@ -21,6 +21,10 @@ import java.util.Map;
 
 public abstract class StringProtocolEncoder extends BaseProtocolEncoder {
 
+    public StringProtocolEncoder(Protocol protocol) {
+        super(protocol);
+    }
+
     public interface ValueFormatter {
         String formatValue(String key, Object value);
     }