diff --git a/tests/test_otel.py b/tests/test_otel.py
index 8a216f26..3c43b1cc 100644
--- a/tests/test_otel.py
+++ b/tests/test_otel.py
@@ -178,7 +178,7 @@ def test_response_and_span_attributes(
         f"niquests/{niquests.__version__}"
     )
     assert get_attr(span, "http.request_content_length") == 0
-    assert get_attr(span, "http.response_content_length") == (len(r.text))
+    assert get_attr(span, "http.response_content_length") == len(r.text)
     assert get_attr(span, "http.status_code") == status
     assert get_attr(span, "net.host.name") == "localhost"
     assert get_attr(span, "net.host.port") == port