diff --git a/cd_utils/cdutils_core.cpp b/cd_utils/cdutils_core.cpp
index 5c83e47..80bd2b0 100644
--- a/cd_utils/cdutils_core.cpp
+++ b/cd_utils/cdutils_core.cpp
@@ -159,7 +159,7 @@ void CDCore::init(const PIString & configuration) {
 
 
 void CDCore::startPing() {
-	x_timer.start(1);
+	x_timer.start(1.0);
 }
 
 
@@ -251,6 +251,7 @@ void CDCore::sendThread() {
 void CDCore::xTimerTick() {
 	PacketHeader ph;
 	ph.type = CD_Ping;
+	ph.session_id = 0;
 	PIByteArray ba;
 	ba << ph;
 	connection.writeByName("cd", ba);