1 files changed, 2 insertions, 14 deletions
diff --git a/src/org/traccar/protocol/WatchProtocolEncoder.java b/src/org/traccar/protocol/WatchProtocolEncoder.java
index 3c71d7cac..a84cf9ef0 100644
--- a/src/org/traccar/protocol/WatchProtocolEncoder.java
+++ b/src/org/traccar/protocol/WatchProtocolEncoder.java
@@ -24,19 +24,7 @@ import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
 
-public class WatchProtocolEncoder extends StringProtocolEncoder implements StringProtocolEncoder.ValueFormatter {
-
-    @Override
-    public String formatValue(String key, Object value) {
-        if (key.equals(Command.KEY_TIMEZONE)) {
-            float offset = ((Number) value).longValue();
-            if (offset > 0) {
-                return "+" + String.format("%f", offset);
-            }
-        }
-
-        return null;
-    }
+public class WatchProtocolEncoder extends StringProtocolEncoder {
 
     protected String formatCommand(Command command, String format, String... keys) {
         String content = super.formatCommand(command, format, keys);
@@ -117,7 +105,7 @@ public class WatchProtocolEncoder extends StringProtocolEncoder implements Strin
             case Command.TYPE_POSITION_PERIODIC:
                 return formatCommand(command, "UPLOAD,{%s}", Command.KEY_FREQUENCY);
             case Command.TYPE_SET_TIMEZONE:
-                return formatCommand(command, "LZ,0,{%s}", Command.KEY_TIMEZONE);
+                return formatCommand(command, "LZ,,{%s}", Command.KEY_TIMEZONE);
             default:
                 Log.warning(new UnsupportedOperationException(command.getType()));
                 break;