diff --git a/noxfile.py b/noxfile.py
index c8d2ead63d3..e931f6e1503 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -415,7 +415,7 @@ def check_guide(session: nox.Session):
     _run(
         session,
         "lychee",
-        PYO3_DOCS_TARGET,
+        str(PYO3_DOCS_TARGET),
         f"--remap=https://pyo3.rs/main/ file://{PYO3_GUIDE_TARGET}/",
         f"--remap=https://pyo3.rs/latest/ file://{PYO3_GUIDE_TARGET}/",
         f"--exclude=file://{PYO3_DOCS_TARGET}",