2 files changed, 3 insertions, 3 deletions
diff --git a/demo.py b/demo.py
index dbaa77d..eb02202 100644
--- a/demo.py
+++ b/demo.py
@@ -39,7 +39,7 @@ if __name__ == '__main__':
 
         plt.plot(sd.wavelengths, sd.values, label='Original')
 
-        XYZ = sd_to_XYZ(sd, illuminant=ILLUMINANT_SDS['D65']) / 100
+        XYZ = sd_to_XYZ(sd) / 100
         recovered_sd = clustering.reconstruct(XYZ)
         plt.plot(recovered_sd.wavelengths, recovered_sd.values,
                  label='Recovered')
diff --git a/otsu2018.py b/otsu2018.py
index 88ab261..b99e563 100644
--- a/otsu2018.py
+++ b/otsu2018.py
@@ -4,7 +4,7 @@ import tqdm
 import time
 
 from colour import (SpectralDistribution, STANDARD_OBSERVER_CMFS,
-                    ILLUMINANT_SDS, sd_to_XYZ, XYZ_to_xy)
+                    sd_ones, sd_to_XYZ, XYZ_to_xy)
 from colour.plotting import plot_chromaticity_diagram_CIE1931
 
 
@@ -450,7 +450,7 @@ class Clustering:
             sds,
             shape,
             cmfs=STANDARD_OBSERVER_CMFS['CIE 1931 2 Degree Standard Observer'],
-            illuminant=ILLUMINANT_SDS['D65']):
+            illuminant=sd_ones()):
         """
         Parameters
         ----------