diff --git a/plugin/__init__.py b/plugin/__init__.py
index 11ad2fe..3541a8a 100644
--- a/plugin/__init__.py
+++ b/plugin/__init__.py
@@ -21,5 +21,5 @@ def plugin_loaded() -> None:
 
 def plugin_unloaded() -> None:
     """Executed when this plugin is unloaded."""
-    LspPyrightPlugin.window_attrs.clear()
+    LspPyrightPlugin.wf_attrs.clear()
     LspPyrightPlugin.cleanup()