1 files changed, 2 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/WatchProtocolEncoder.java b/src/org/traccar/protocol/WatchProtocolEncoder.java
index 0b6a83ce9..41f189a89 100644
--- a/src/org/traccar/protocol/WatchProtocolEncoder.java
+++ b/src/org/traccar/protocol/WatchProtocolEncoder.java
@@ -102,6 +102,8 @@ public class WatchProtocolEncoder extends StringProtocolEncoder {
                 return formatCommand(command, "PHB,{%s}", Command.KEY_DATA);
             case Command.TYPE_VOICE_MESSAGE:
                 return formatCommand(command, "TK," + getBinaryData(command));
+            case Command.TYPE_POSITION_PERIODIC:
+                return formatCommand(command, "UPLOAD,{%s}", Command.KEY_FREQUENCY);
             default:
                 Log.warning(new UnsupportedOperationException(command.getType()));
                 break;