diff --git a/odoo-stubs/tools/misc.pyi b/odoo-stubs/tools/misc.pyi
index ff1a203..026098a 100644
--- a/odoo-stubs/tools/misc.pyi
+++ b/odoo-stubs/tools/misc.pyi
@@ -163,7 +163,7 @@ class Reverse:
 def ignore(*exc: Any) -> None: ...
 def html_escape(text: Any): ...
 def formatLang(env: Any, value: Any, digits: Optional[Any] = ..., grouping: bool = ..., monetary: bool = ..., dp: bool = ..., currency_obj: bool = ...): ...
-def format_date(env: Any, value: Any, lang_code: bool = ..., date_format: bool = ...): ...
+def format_date(env: Any, value: Any, lang_code: str = ..., date_format: bool = ...): ...
 def _consteq(str1: Any, str2: Any): ...
 
 consteq: Any