diff --git a/octoprint_enclosure/__init__.py b/octoprint_enclosure/__init__.py
index 8ac0c2c..97b6244 100644
--- a/octoprint_enclosure/__init__.py
+++ b/octoprint_enclosure/__init__.py
@@ -1226,11 +1226,10 @@ class EnclosurePlugin(octoprint.plugin.StartupPlugin,
                     pwm['duty_cycle'] = pwm_value
                     self._logger.debug("Changing duty cycle: %s", pwm_value)
                     self._logger.debug("PWM Object is: %s", pwm_object)
-                    pwm_object.ChangeDutyCycle(pwm_value)
+                    pwm_object.start(pwm_value)
                     self._logger.debug(
                             "Writing PWM on gpio: %s value %s", gpio, pwm_value)
 
-
                     self.update_ui()
                     if queue_id is not None:
                         self.stop_queue_item(queue_id)