diff --git a/osal/host/FixedTimeslotTask.h b/osal/host/FixedTimeslotTask.h
index 9985e2ee6..f3fffd0f0 100644
--- a/osal/host/FixedTimeslotTask.h
+++ b/osal/host/FixedTimeslotTask.h
@@ -74,7 +74,7 @@ protected:
     //!< Typedef for the List of objects.
     typedef std::vector<ExecutableObjectIF*> ObjectList;
     std::thread mainThread;
-    std::atomic<bool> terminateThread = false;
+    std::atomic<bool> terminateThread { false };
 
     //! Polling sequence table which contains the object to execute
     //! and information like the timeslots and the passed execution step.
diff --git a/osal/host/PeriodicTask.h b/osal/host/PeriodicTask.h
index 7689788ac..00cb6a24e 100644
--- a/osal/host/PeriodicTask.h
+++ b/osal/host/PeriodicTask.h
@@ -69,7 +69,7 @@ protected:
 	//!< Typedef for the List of objects.
 	typedef std::vector<ExecutableObjectIF*> ObjectList;
 	std::thread mainThread;
-	std::atomic<bool> terminateThread = false;
+	std::atomic<bool> terminateThread { false };
 
 	/**
 	 * @brief	This attribute holds a list of objects to be executed.