diff --git a/include/sta/rtos/system/can_bus.hpp b/include/sta/rtos/system/can_bus.hpp
index 11bc389..954a313 100644
--- a/include/sta/rtos/system/can_bus.hpp
+++ b/include/sta/rtos/system/can_bus.hpp
@@ -168,6 +168,9 @@ namespace sta
 		 */
 		void showStatistics();
 
+	    IsotpTransmitter tx_;
+		IsotpReceiver rx_;
+
 	private:
 		/**
 		 * @brief Configure CAN filters.
@@ -184,8 +187,7 @@ namespace sta
 
 	private:
 		CanController * controller_;
-		IsotpTransmitter tx_;
-		IsotpReceiver rx_;
+		
 		SysMsgHandler handleSysMsg_;
 		DataMsgHandler handleDataMsg_;
 	};