diff --git a/update_attempter.cc b/update_attempter.cc
index 529338a..85500e6 100644
--- a/update_attempter.cc
+++ b/update_attempter.cc
@@ -139,7 +139,7 @@
     LOG(ERROR) << "Unable to initialize Omaha request device params.";
     return;
   }
-  
+
   obeying_proxies_ = true;
   if (obey_proxies || proxy_manual_checks_ == 0) {
     LOG(INFO) << "forced to obey proxies";
@@ -175,9 +175,9 @@
   shared_ptr<OmahaResponseHandlerAction> response_handler_action(
       new OmahaResponseHandlerAction(prefs_));
   shared_ptr<FilesystemCopierAction> filesystem_copier_action(
-      new FilesystemCopierAction(false));
+      new FilesystemCopierAction(false, false));
   shared_ptr<FilesystemCopierAction> kernel_filesystem_copier_action(
-      new FilesystemCopierAction(true));
+      new FilesystemCopierAction(true, false));
   shared_ptr<OmahaRequestAction> download_started_action(
       new OmahaRequestAction(prefs_,
                              omaha_request_params_,
@@ -193,6 +193,10 @@
                              new OmahaEvent(
                                  OmahaEvent::kTypeUpdateDownloadFinished),
                              new LibcurlHttpFetcher(GetProxyResolver())));
+  shared_ptr<FilesystemCopierAction> filesystem_verifier_action(
+      new FilesystemCopierAction(false, true));
+  shared_ptr<FilesystemCopierAction> kernel_filesystem_verifier_action(
+      new FilesystemCopierAction(true, true));
   shared_ptr<PostinstallRunnerAction> postinstall_runner_action(
       new PostinstallRunnerAction);
   shared_ptr<OmahaRequestAction> update_complete_action(
@@ -213,6 +217,9 @@
   actions_.push_back(shared_ptr<AbstractAction>(download_started_action));
   actions_.push_back(shared_ptr<AbstractAction>(download_action));
   actions_.push_back(shared_ptr<AbstractAction>(download_finished_action));
+  actions_.push_back(shared_ptr<AbstractAction>(filesystem_verifier_action));
+  actions_.push_back(shared_ptr<AbstractAction>(
+      kernel_filesystem_verifier_action));
   actions_.push_back(shared_ptr<AbstractAction>(postinstall_runner_action));
   actions_.push_back(shared_ptr<AbstractAction>(update_complete_action));
 
@@ -233,6 +240,10 @@
   BondActions(kernel_filesystem_copier_action.get(),
               download_action.get());
   BondActions(download_action.get(),
+              filesystem_verifier_action.get());
+  BondActions(filesystem_verifier_action.get(),
+              kernel_filesystem_verifier_action.get());
+  BondActions(kernel_filesystem_verifier_action.get(),
               postinstall_runner_action.get());
 
   SetStatusAndNotify(UPDATE_STATUS_CHECKING_FOR_UPDATE);