diff --git a/test/test_kiwipiepy.py b/test/test_kiwipiepy.py
index b5aea8b..09efb16 100644
--- a/test/test_kiwipiepy.py
+++ b/test/test_kiwipiepy.py
@@ -466,7 +466,7 @@ def test_add_rule():
     kiwi = Kiwi(load_typo_dict=False)
     assert len(kiwi.add_re_rule("EF", r"요$", "용", score=-1)) > 0
     res, score = kiwi.analyze("했어용! 하잖아용! 할까용? 좋아용!")[0]
-    assert score == oscore - 4
+    assert abs(score - (oscore - 4)) < 1e-3
 
 def test_add_pre_analyzed_word():
     kiwi = Kiwi()