diff --git a/update_manager/policy.h b/update_manager/policy.h
index 5d65d9a..9e7df10 100644
--- a/update_manager/policy.h
+++ b/update_manager/policy.h
@@ -50,6 +50,8 @@
   std::string target_version_prefix;
   // Specifies whether rollback images are allowed by device policy.
   bool rollback_allowed;
+  // Specifies if rollbacks should attempt to preserve some system state.
+  bool rollback_data_save_requested;
   // Specifies the number of Chrome milestones rollback should be allowed,
   // starting from the stable version at any time. Value is -1 if unspecified
   // (e.g. no device policy is available yet), in this case no version