diff --git a/tests/test_os_detection.py b/tests/test_os_detection.py
index 25f30475..82e592a7 100644
--- a/tests/test_os_detection.py
+++ b/tests/test_os_detection.py
@@ -59,4 +59,4 @@ def test_elf_abi_version_hurd():
     # guess: needed dependencies: None
     path = get_data_path_by_name("bf7a9c")
     with open(path, "rb") as f:
-        assert capa.features.extractors.elf.detect_elf_os(f) == "unknown"
+        assert capa.features.extractors.elf.detect_elf_os(f) == "hurd"