diff --git a/src/linkahead/cached.py b/src/linkahead/cached.py
index ea7430155b2305d27c06deff2a5c6df5784d9995..d746a56071e2d472b5ab2afdd98713f98874bebc 100644
--- a/src/linkahead/cached.py
+++ b/src/linkahead/cached.py
@@ -213,7 +213,7 @@ unique: bool, optional
                    for key in items.keys()), "Keys must be strings or integers."
     elif kind == AccessType.PATH:
         assert all(isinstance(key, str) for key in items.keys()), "Keys must be strings."
-    elif kind == _:
+    else:
         raise ValueError(f"Unknown AccessType: {kind}")
 
     # 1. add the given items to the corresponding dummy dict cache