diff --git a/python/ee/image.py b/python/ee/image.py
index 72863c7d2..b51c9b0e7 100644
--- a/python/ee/image.py
+++ b/python/ee/image.py
@@ -2498,7 +2498,7 @@ def linkCollection(
       self,
       # pylint: disable=invalid-name
       imageCollection: _ImageCollectionType,
-      linkedBands: _EeAnyType = None,
+      linkedBands: Optional[_EeAnyType] = None,
       linkedProperties: Optional[_EeAnyType] = None,
       matchPropertyName: Optional[_StringType] = None,
       # pylint: enable=invalid-name