1 files changed, 2 insertions, 1 deletions
diff --git a/mu.py b/mu.py
index 9337747..1f136df 100644
--- a/mu.py
+++ b/mu.py
@@ -12,6 +12,7 @@ import xml.dom
 
 from typing import (
     Literal,
+    Optional,
     Union,
 )
 
@@ -76,7 +77,7 @@ Sortfield = Union[Literal['cc'],
 
 
 
-def mu_search(query, sortfield: Sortfield = 'subject', reverse: bool = False) -> list[dict[str, str]]:
+def mu_search(query, sortfield: Optional[Sortfield] = 'subject', reverse: bool = False) -> list[dict[str, str]]:
     """
     [Parameters]
         query     - Search query as per mu-find(1).