diff --git a/folioclient/FolioClient.py b/folioclient/FolioClient.py
index 19d222c..74105b1 100644
--- a/folioclient/FolioClient.py
+++ b/folioclient/FolioClient.py
@@ -69,7 +69,9 @@ def __exit__(self, exc_type, exc_value, traceback):
             if self.cookies:
                 logging.info("Logging out...")
                 logout = httpx_client.post(
-                    urljoin(self.okapi_url, "authn/logout"), cookies=self.cookies
+                    urljoin(self.okapi_url, "authn/logout"),
+                    headers=self.base_headers,
+                    cookies=self.cookies,
                 )
                 logout.raise_for_status()
                 logging.info("Logged out")