diff --git a/third-party/thrift/src/thrift/compiler/generate/templates/python/thrift_abstract_types.py.mustache b/third-party/thrift/src/thrift/compiler/generate/templates/python/thrift_abstract_types.py.mustache
index 0832ee016e9c1c..3461586232abe6 100644
--- a/third-party/thrift/src/thrift/compiler/generate/templates/python/thrift_abstract_types.py.mustache
+++ b/third-party/thrift/src/thrift/compiler/generate/templates/python/thrift_abstract_types.py.mustache
@@ -91,9 +91,11 @@ class {{> structs/unadapted_name}}({{!
         used in immutable thrift-python, which is the name
         of the Union (sigh!)
     }}FbThriftUnionFieldEnum.__name__ = "{{struct:py_name}}"
+    {{^struct:has_invariant_field?}}
     @_fbthrift_property
 {{> fields/maybe_abstract_method_annotation}}
     def fbthrift_current_value(self) -> {{> types/field_value_pep484_union_type}}: ...
+    {{/struct:has_invariant_field?}}
     @_fbthrift_property
 {{> fields/maybe_abstract_method_annotation}}
     def fbthrift_current_field(self) -> FbThriftUnionFieldEnum: ...
diff --git a/third-party/thrift/src/thrift/compiler/test/fixtures/complex-union/out/python_invariant_types/gen-python/invariant/thrift_abstract_types.py b/third-party/thrift/src/thrift/compiler/test/fixtures/complex-union/out/python_invariant_types/gen-python/invariant/thrift_abstract_types.py
index f622cf5bbd30bf..a006f6a8dd99fb 100644
--- a/third-party/thrift/src/thrift/compiler/test/fixtures/complex-union/out/python_invariant_types/gen-python/invariant/thrift_abstract_types.py
+++ b/third-party/thrift/src/thrift/compiler/test/fixtures/complex-union/out/python_invariant_types/gen-python/invariant/thrift_abstract_types.py
@@ -71,9 +71,6 @@ class FbThriftUnionFieldEnum(_enum.Enum):
     FbThriftUnionFieldEnum.__name__ = "InvariantTypes"
     @_fbthrift_property
     @_abc.abstractmethod
-    def fbthrift_current_value(self) -> _typing.Union[None, _typing.Mapping[_fbthrift_StructForInvariantTypes, int], _typing.Mapping[_fbthrift_UnionForInvariantTypes, int]]: ...
-    @_fbthrift_property
-    @_abc.abstractmethod
     def fbthrift_current_field(self) -> FbThriftUnionFieldEnum: ...
 
 _fbthrift_InvariantTypes = InvariantTypes