diff --git a/WatchdogCore.cpp b/WatchdogCore.cpp
index a015089..346fc51 100644
--- a/WatchdogCore.cpp
+++ b/WatchdogCore.cpp
@@ -24,7 +24,7 @@ CWatchdogCore::CWatchdogCore( const char * pName ) :
                CSelectableCore( pName, "WatchdogClient" )
 {
     // Create protocol
-    Protocol = new CLiteProtocol( 50, '\x01', '\x02', '\x00' );
+    Protocol = new CLiteProtocol( 50, '\x02', '\x03', '\x00' );
     Protocol->CreateCommand( ProcessName, "watchdog", "ping" );
 
     // Start timer