diff --git a/pyproject.toml b/pyproject.toml
index 0291543..e90fd0e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,3 +14,6 @@ force_grid_wrap=0
 include_trailing_comma=true
 multi_line_output=3
 use_parentheses=true
+
+[tool.codespell]
+ignore-words-list=cachable
diff --git a/sshfs/spec.py b/sshfs/spec.py
index 046a6ec..1995b52 100644
--- a/sshfs/spec.py
+++ b/sshfs/spec.py
@@ -63,6 +63,7 @@ def __init__(
         _client_args.setdefault("known_hosts", None)
 
         self._stack = AsyncExitStack()
+        self.cachable = False
         self.active_executors = 0
         self._client, self._pool = self.connect(
             host,