diff --git a/stdlib/2and3/xml/etree/ElementTree.pyi b/stdlib/2and3/xml/etree/ElementTree.pyi
index 6771a044b2ac..f38e1e37afff 100644
--- a/stdlib/2and3/xml/etree/ElementTree.pyi
+++ b/stdlib/2and3/xml/etree/ElementTree.pyi
@@ -8,7 +8,7 @@ VERSION = ...  # type: str
 
 class ParseError(SyntaxError): ...
 
-def iselement(element: Element) -> bool: ...
+def iselement(element: object) -> bool: ...
 
 _T = TypeVar('_T')