diff --git a/test/test_api/test_interpreter.py b/test/test_api/test_interpreter.py
index 6f790bef..4615764e 100644
--- a/test/test_api/test_interpreter.py
+++ b/test/test_api/test_interpreter.py
@@ -621,7 +621,8 @@ def bar():
 
         # typing is available via globals.
         ({'return': 'typing.Union[str, int]'}, ['int', 'str'], ''),
-        ({'return': 'typing.Union["str", int]'}, ['int', 'str'], ''),
+        ({'return': 'typing.Union["str", int]'},
+         ['int', 'str'] if sys.version_info >= (3, 9) else ['int'], ''),
         ({'return': 'typing.Union["str", 1]'}, [], ''),
         ({'return': 'typing.Optional[str]'}, ['NoneType', 'str'], ''),
         ({'return': 'typing.Optional[str, int]'}, [], ''),  # Takes only one arg