diff --git a/pint/_typing.py b/pint/_typing.py
index 5547f85b5..65e355cf1 100644
--- a/pint/_typing.py
+++ b/pint/_typing.py
@@ -48,8 +48,9 @@ def __setitem__(self, key: Any, value: Any) -> None:
         ...
 
 
-Magnitude = PintScalar | PintScalar
-
+# TODO: Change when Python 3.10 becomes minimal version.
+# Magnitude = PintScalar | PintArray
+Magnitude = Union[PintScalar, PintArray]
 
 UnitLike = Union[str, "UnitsContainer", "Unit"]