diff --git a/src_main/system/pisystemmonitor.cpp b/src_main/system/pisystemmonitor.cpp
index 30e6f337..e5df1136 100755
--- a/src_main/system/pisystemmonitor.cpp
+++ b/src_main/system/pisystemmonitor.cpp
@@ -155,6 +155,7 @@ void PISystemMonitor::run() {
 	//piCout << tbid.keys().toType<uint>();
 	stat.ID = pID_;
 #ifndef WINDOWS
+	tbid[pID_] = "main";
 #  ifdef MAC_OS
 	rusage_info_current ru;
 	proc_pid_rusage(pID_, RUSAGE_INFO_CURRENT, (rusage_info_t*)&ru);