diff --git a/apps/nspanel-lovelace-ui/helper.py b/apps/nspanel-lovelace-ui/helper.py
index 2609eed5..92cfe5b6 100644
--- a/apps/nspanel-lovelace-ui/helper.py
+++ b/apps/nspanel-lovelace-ui/helper.py
@@ -1,7 +1,7 @@
 import colorsys
 import math
 
-  def scale(val, src, dst):
+def scale(val, src, dst):
     """
     Scale the given value from the scale of src to the scale of dst.
     """