diff --git a/tests/fetchers/async/test_camoufox.py b/tests/fetchers/async/test_camoufox.py
index 0041e14..ff33f0a 100644
--- a/tests/fetchers/async/test_camoufox.py
+++ b/tests/fetchers/async/test_camoufox.py
@@ -106,5 +106,5 @@ class TestStealthyFetcher:
     async def test_infinite_timeout(self, fetcher, urls):
         """Test if infinite timeout breaks the code or not"""
         assert (
-            await fetcher.async_fetch(urls["delayed_url"], timeout=None)
+            await fetcher.async_fetch(urls["delayed_url"], timeout=0)
         ).status == 200
diff --git a/tests/fetchers/sync/test_camoufox.py b/tests/fetchers/sync/test_camoufox.py
index 02413eb..37a2e85 100644
--- a/tests/fetchers/sync/test_camoufox.py
+++ b/tests/fetchers/sync/test_camoufox.py
@@ -89,4 +89,4 @@ class TestStealthyFetcher:
 
     def test_infinite_timeout(self, fetcher):
         """Test if infinite timeout breaks the code or not"""
-        assert fetcher.fetch(self.delayed_url, timeout=None).status == 200
+        assert fetcher.fetch(self.delayed_url, timeout=0).status == 200