diff --git a/arduino/opencr_arduino/opencr/libraries/turtlebot3_ros2/src/turtlebot3/turtlebot3.cpp b/arduino/opencr_arduino/opencr/libraries/turtlebot3_ros2/src/turtlebot3/turtlebot3.cpp
index a1ae26d5..163ef392 100644
--- a/arduino/opencr_arduino/opencr/libraries/turtlebot3_ros2/src/turtlebot3/turtlebot3.cpp
+++ b/arduino/opencr_arduino/opencr/libraries/turtlebot3_ros2/src/turtlebot3/turtlebot3.cpp
@@ -71,9 +71,9 @@ static float max_linear_velocity, min_linear_velocity;
 static float max_angular_velocity, min_angular_velocity;
 
 static float goal_velocity[VelocityType::TYPE_NUM_MAX] = {0.0, 0.0};
-static float goal_velocity_from_cmd[MortorLocation::MOTOR_NUM_MAX] = {0.0, 0.0};
-static float goal_velocity_from_rc100[MortorLocation::MOTOR_NUM_MAX] = {0.0, 0.0};
-static float goal_velocity_from_button[MortorLocation::MOTOR_NUM_MAX] = {0.0, 0.0};
+static float goal_velocity_from_cmd[VelocityType::TYPE_NUM_MAX] = {0.0, 0.0};
+static float goal_velocity_from_rc100[VelocityType::TYPE_NUM_MAX] = {0.0, 0.0};
+static float goal_velocity_from_button[VelocityType::TYPE_NUM_MAX] = {0.0, 0.0};
 
 static void update_goal_velocity_from_3values(void);
 static void test_motors_with_buttons(uint8_t buttons);
@@ -1056,4 +1056,4 @@ void test_motors_with_buttons(uint8_t buttons)
       move[VelocityType::ANGULAR] = false;
     }
   }
-}
\ No newline at end of file
+}