diff --git a/test-data/unit/stubgen.test b/test-data/unit/stubgen.test
index b4c66c2e5853..161f14e8aea7 100644
--- a/test-data/unit/stubgen.test
+++ b/test-data/unit/stubgen.test
@@ -4744,3 +4744,15 @@ class DCMeta(type): ...
 
 class DC(metaclass=DCMeta):
     x: str
+
+
+[case testIncompleteReturn]
+from _typeshed import Incomplete
+
+def polar(*args, **kwargs) -> Incomplete:
+    ...
+
+[out]
+from _typeshed import Incomplete
+
+def polar(*args, **kwargs) -> Incomplete: ...