diff --git a/sdks/python/apache_beam/typehints/schemas.py b/sdks/python/apache_beam/typehints/schemas.py
index 4b312d96ce9f..4e1547d18103 100644
--- a/sdks/python/apache_beam/typehints/schemas.py
+++ b/sdks/python/apache_beam/typehints/schemas.py
@@ -365,6 +365,8 @@ def typing_from_runner_api(
       base = self.typing_from_runner_api(base_type)
       if base == Any:
         return base
+      elif isinstance(base, row_type.RowTypeConstraint):
+        return base
       else:
         return Optional[base]