diff --git a/src/light9/effect/scale.py b/src/light9/effect/scale.py
--- a/src/light9/effect/scale.py
+++ b/src/light9/effect/scale.py
@@ -1,9 +1,12 @@
+import logging
 from decimal import Decimal
 
 from webcolors import hex_to_rgb, rgb_to_hex
 
 from light9.newtypes import VTUnion
 
+log = logging.getLogger('scale')
+
 
 def scale(value: VTUnion, strength: float):
     if isinstance(value, Decimal):