#include "wx/private/timer.h"
 #include "wx/utils.h"               // for wxNewId()
+#include "wx/thread.h"
 
 wxTimerImpl::wxTimerImpl(wxTimer *timer)
 {
 void wxTimerImpl::SendEvent()
 {
     wxTimerEvent event(*m_timer);
-    (void)m_owner->ProcessEvent(event);
+    (void)m_owner->SafelyProcessEvent(event);
 }
 
 bool wxTimerImpl::Start(int milliseconds, bool oneShot)