diff --git a/tests/adapter/mongo/test_case_handling.py b/tests/adapter/mongo/test_case_handling.py
index <HASH>..<HASH> 100644
--- a/tests/adapter/mongo/test_case_handling.py
+++ b/tests/adapter/mongo/test_case_handling.py
@@ -439,4 +439,4 @@ def test_get_similar_cases(hpo_database, test_hpo_terms, case_obj):
     assert isinstance(similar_cases[0], tuple)
 
     # and the first element of the list has a score higher or equal than the second
-    assert similar_cases[0][1] >= similar_cases[1][1]
+    assert similar_cases[0][1] > similar_cases[1][1]
most similar patient should actually have a higher score