diff --git a/python/protobuf.h b/python/protobuf.h
index 2ccc99ea22..d09ab0e8db 100644
--- a/python/protobuf.h
+++ b/python/protobuf.h
@@ -41,11 +41,11 @@
 #define PYUPB_DESCRIPTOR_MODULE "google.protobuf.descriptor_pb2"
 #define PYUPB_MODULE_NAME "google.protobuf.pyext._message"
 // copybara:replace_for_google3_begin
-// #define PYUPB_PROTOBUF_PUBLIC_PACKAGE "net.proto2.python.public"
-// #define PYUPB_PROTOBUF_INTERNAL_PACKAGE "net.proto2.python.internal"
+// #define PYUPB_PROTOBUF_PUBLIC_PACKAGE "google3.net.proto2.python.public"
+// #define PYUPB_PROTOBUF_INTERNAL_PACKAGE "google3.net.proto2.python.internal"
 // #define PYUPB_DESCRIPTOR_PROTO_PACKAGE "proto2"
-// #define PYUPB_DESCRIPTOR_MODULE "net.proto2.proto.descriptor_pb2"
-// #define PYUPB_MODULE_NAME "third_party.upb.python._message"
+// #define PYUPB_DESCRIPTOR_MODULE "google3.net.proto2.proto.descriptor_pb2"
+// #define PYUPB_MODULE_NAME "google3.third_party.upb.python._message"
 // copybara:replace_for_google3_end
 
 #define PYUPB_RETURN_OOM return PyErr_SetNone(PyExc_MemoryError), NULL