diff --git a/tests/test_clustering.py b/tests/test_clustering.py
index 0f88d6f..4af2c92 100644
--- a/tests/test_clustering.py
+++ b/tests/test_clustering.py
@@ -196,4 +196,4 @@ def test_SCHC(self):
         clusters = pygeoda.schc(p, self.queen_w, self.data, linkage_method)
 
         self.assertAlmostEqual(
-            clusters["The ratio of between to total sum of squares"], 0.4241728)
+            clusters["The ratio of between to total sum of squares"], 0.4241728843)