diff --git a/core/base/inc/TTask.h b/core/base/inc/TTask.h
index d9d0cbd2e4c034aad511c9bab9db44b31e0b22dd..fd69d2eaf985aa7a76096fb857dabcca7441eb18 100644
--- a/core/base/inc/TTask.h
+++ b/core/base/inc/TTask.h
@@ -44,6 +44,7 @@ protected:
    static TTask *fgBeginTask;    //pointer to task initiator
    static TTask *fgBreakPoint;   //pointer to current break point
 
+private:
    TTask(const TTask &task);           // not implemented
    TTask& operator=(const TTask& tt);  // not implemented