diff --git a/stdlib/2and3/locale.pyi b/stdlib/2and3/locale.pyi
index 0a031fd99..e6d70fe7a 100644
--- a/stdlib/2and3/locale.pyi
+++ b/stdlib/2and3/locale.pyi
@@ -100,7 +100,7 @@ if sys.version_info >= (3, 7):
 else:
     def format_string(format: _str, val: Sequence[Any],
                       grouping: bool = ...) -> _str: ...
-def currency(val: int, symbol: bool = ..., grouping: bool = ...,
+def currency(val: Union[int, float, Decimal], symbol: bool = ..., grouping: bool = ...,
              international: bool = ...) -> _str: ...
 if sys.version_info >= (3, 5):
     def delocalize(string: _str) -> None: ...