diff --git a/ciphers/enigma_machine2.py b/ciphers/enigma_machine2.py
index b2b2953f4..3ed94c59d 100644
--- a/ciphers/enigma_machine2.py
+++ b/ciphers/enigma_machine2.py
@@ -69,7 +69,7 @@ rotor9 = "KOAEGVDHXPQZMLFTYWJNBRCIUS"
 
 def _validator(
     rotpos: RotorPositionT, rotsel: RotorSelectionT, pb: str
-) -> tuple[RotorPositionT, RotorSelectionT, Dict[str, str]]:
+) -> Tuple[RotorPositionT, RotorSelectionT, Dict[str, str]]:
     """
     Checks if the values can be used for the 'enigma' function