diff --git a/octoprint_fanspeedslider/__init__.py b/octoprint_fanspeedslider/__init__.py
index 460120b..45033a8 100644
--- a/octoprint_fanspeedslider/__init__.py
+++ b/octoprint_fanspeedslider/__init__.py
@@ -23,7 +23,7 @@ class FanSliderPlugin(octoprint.plugin.StartupPlugin,
 			minSpeed=0,
 			maxSpeed=100,
 			notifyDelay=4000,
-			lockfan=False
+			lockfan=False,
 			lastSentSpeed=0,
 			defaultLastSpeed=False
 		)