diff --git a/cursorless-talon/src/csv_overrides.py b/cursorless-talon/src/csv_overrides.py
index d1bd4ec208..17e369f5e0 100644
--- a/cursorless-talon/src/csv_overrides.py
+++ b/cursorless-talon/src/csv_overrides.py
@@ -51,6 +51,7 @@ class SpokenFormEntry:
 def init_csv_and_watch_changes(
     filename: str,
     default_values: ListToSpokenForms,
+    *,
     handle_new_values: Optional[Callable[[list[SpokenFormEntry]], None]] = None,
     extra_ignored_values: Optional[list[str]] = None,
     extra_allowed_values: Optional[list[str]] = None,