diff --git a/pulses/worker.py b/pulses/worker.py
index 59b4641..078e698 100644
--- a/pulses/worker.py
+++ b/pulses/worker.py
@@ -42,5 +42,5 @@ class ledWorker(threading.Thread):
 
             self.log.debug('running final steps')
             for value, delay in item[2]:
-                self.setValue(value)
+                self.parent.setValue(value)
                 time.sleep(delay)