diff --git a/src/dynamixel_motor_group.h b/src/dynamixel_motor_group.h
index c7b0ec93bf401284bcd93b33479fd0649aeaa7b3..633f62082aad0c1f1fa04531e65d0ba8371fed45 100644
--- a/src/dynamixel_motor_group.h
+++ b/src/dynamixel_motor_group.h
@@ -27,18 +27,12 @@ typedef struct
 
 class CDynamixelMotorGroup 
 {
-
   private:
     /**
      * \brief 
      *
      */
     std::string group_id;
-    /**
-     * \brief 
-     *
-     */
-    CDynamixelServer *dyn_server;
     /**
      * \brief 
      *
@@ -132,6 +126,11 @@ class CDynamixelMotorGroup
      */
     std::vector<unsigned char> servo_id;
   protected:
+    /**
+     * \brief 
+     *
+     */
+    CDynamixelServer *dyn_server;
     /* Motion sequence attributes */
     /**
      * \brief