diff --git a/actuators_rppico_hardware_interface/hardware/include/actuators_rppico_h_i/servo.hpp b/actuators_rppico_hardware_interface/hardware/include/actuators_rppico_h_i/servo.hpp
index 10fb14e..9e24607 100644
--- a/actuators_rppico_hardware_interface/hardware/include/actuators_rppico_h_i/servo.hpp
+++ b/actuators_rppico_hardware_interface/hardware/include/actuators_rppico_h_i/servo.hpp
@@ -25,7 +25,7 @@ class Servo
     void setup(const std::string &servo_name, int servo_number)
     {
       name = servo_name;
-      servo_number = servo_number;
+      this->servo_number = servo_number;
     }