diff --git a/tests/integration/test_brands.py b/tests/integration/test_brands.py
index a36533b..8ad2a63 100644
--- a/tests/integration/test_brands.py
+++ b/tests/integration/test_brands.py
@@ -17,7 +17,7 @@ def test_get_brand_detail(client: TestClient) -> None:
     assert body["slug"] == "samsung"
     assert body["country"] == "KR"
     assert body["url"] == "/v1/brands/samsung"
-    assert body["source_urls"] == ["https://www.samsung.com"]
+    assert "https://www.samsung.com" in body["source_urls"]
 
 
 def test_unknown_brand_returns_404_envelope(client: TestClient) -> None: