diff --git a/test_transform.py b/test_transform.py
index 2ced4a6..8d46afe 100644
--- a/test_transform.py
+++ b/test_transform.py
@@ -29,6 +29,6 @@ test(ratio, [[167, 100, 200]], 0.67)
 test(ratio, [[8, 10, 0]], 0.2)
 test(ratio, [[4, 10, 20]], 0.0)
 test(scale, [[4, 0, 10, 0, 100]], 40)
-test(scale, [[160, 120, 240, 0, 100]], 100/3)
+test(scale, [[180, 120, 240, 0, 100]], 50)
 test(get_x_values, [[[0, 5], [1, 5], [2, 5]]], [0, 1, 2])
 test(get_y_values, [[[0, 5], [1, 5], [2, 5]]], [5, 5, 5])