diff --git a/src/shamira/tests/test_fft.py b/src/shamira/tests/test_fft.py
--- a/src/shamira/tests/test_fft.py
+++ b/src/shamira/tests/test_fft.py
@@ -5,12 +5,12 @@ import functools
 import operator
 from unittest import TestCase
 
-from ..gf256 import evaluate
+from .. import gf256
 from ..fft import *
 
 
 def batch_evaluate(coefs, xs):
-	return [evaluate(coefs, x) for x in xs]
+	return [gf256.evaluate(coefs, x) for x in xs]
 
 
 class TestFFT(TestCase):