diff --git a/src/libCom/timer/epicsTimer.cpp b/src/libCom/timer/epicsTimer.cpp
index 7cdc30b..ac01a5c 100644
--- a/src/libCom/timer/epicsTimer.cpp
+++ b/src/libCom/timer/epicsTimer.cpp
@@ -71,6 +71,7 @@ epicsTimerQueueActiveForC ::
         bool okToShare, unsigned priority ) :
     timerQueueActive ( refMgr, okToShare, priority )
 {
+    timerQueueActive::start();
 }
 
 epicsTimerQueueActiveForC::~epicsTimerQueueActiveForC ()
diff --git a/src/libCom/timer/timerPrivate.h b/src/libCom/timer/timerPrivate.h
index a5afc0d..673633a 100644
--- a/src/libCom/timer/timerPrivate.h
+++ b/src/libCom/timer/timerPrivate.h
@@ -136,6 +136,7 @@ class timerQueueActive : public epicsTimerQueueActive,
 public:
     typedef epicsSingleton < timerQueueActiveMgr > :: reference RefMgr;
     timerQueueActive ( RefMgr &, bool okToShare, unsigned priority );
+    void start ();
     epicsTimer & createTimer ();
     epicsTimerForC & createTimerForC ( epicsTimerCallback pCallback, void *pArg );
     void show ( unsigned int level ) const;
diff --git a/src/libCom/timer/timerQueueActive.cpp b/src/libCom/timer/timerQueueActive.cpp
index a1c25f4..961b6b0 100644
--- a/src/libCom/timer/timerQueueActive.cpp
+++ b/src/libCom/timer/timerQueueActive.cpp
@@ -50,6 +50,10 @@ timerQueueActive ::
     sleepQuantum ( epicsThreadSleepQuantum() ), okToShare ( okToShareIn ), 
     exitFlag ( false ), terminateFlag ( false )
 {
+}
+
+void timerQueueActive::start ()
+{
     this->thread.start ();
 }