diff --git a/tests/tools/test_browser_camofox_persistence.py b/tests/tools/test_browser_camofox_persistence.py
index ff5624ca031..364c4e7808e 100644
--- a/tests/tools/test_browser_camofox_persistence.py
+++ b/tests/tools/test_browser_camofox_persistence.py
@@ -151,7 +151,7 @@ class TestManagedPersistenceMode:
 
         requests_seen = []
 
-        def _capture_post(url, json=None, timeout=None):
+        def _capture_post(url, json=None, timeout=None, headers=None):
             requests_seen.append(json)
             return _mock_response(
                 json_data={"tabId": "tab-1", "url": "https://example.com"}
@@ -171,7 +171,7 @@ class TestManagedPersistenceMode:
 
         requests_seen = []
 
-        def _capture_post(url, json=None, timeout=None):
+        def _capture_post(url, json=None, timeout=None, headers=None):
             requests_seen.append(json)
             return _mock_response(
                 json_data={"tabId": f"tab-{len(requests_seen)}", "url": "https://example.com"}