diff --git a/datasets/raise/extract_noise.py b/datasets/raise/extract_noise.py
index 74fa4d3..501463f 100755
--- a/datasets/raise/extract_noise.py
+++ b/datasets/raise/extract_noise.py
@@ -15,9 +15,9 @@ imagesFolderPathFileName = imagesFolderPath.replace('/', '_')
 denoiser = 'bilateral'
 
 raiseNotFlatFields = False
-singleColorChannel = Color.GREEN_RIGHT
+singleColorChannels = []
 
-colors = Color if singleColorChannel is None else [singleColorChannel]
+colors = singleColorChannels or Color
 
 denoise = getattr(skimage.restoration, f'denoise_{denoiser}')