diff --git a/update_engine.gyp b/update_engine.gyp
index 8ac39ec..0a1a445 100644
--- a/update_engine.gyp
+++ b/update_engine.gyp
@@ -147,7 +147,7 @@
         'extent_writer.cc',
         'file_descriptor.cc',
         'file_writer.cc',
-        'filesystem_copier_action.cc',
+        'filesystem_verifier_action.cc',
         'glib_utils.cc',
         'hardware.cc',
         'http_common.cc',
@@ -364,7 +364,7 @@
             'fake_prefs.cc',
             'fake_system_state.cc',
             'file_writer_unittest.cc',
-            'filesystem_copier_action_unittest.cc',
+            'filesystem_verifier_action_unittest.cc',
             'http_fetcher_unittest.cc',
             'hwid_override_unittest.cc',
             'mock_http_fetcher.cc',