diff --git a/dbus_service.h b/dbus_service.h
index 3507918..c546316 100644
--- a/dbus_service.h
+++ b/dbus_service.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_DBUS_SERVICE_H_
-#define CHROMEOS_PLATFORM_UPDATE_ENGINE_DBUS_SERVICE_H_
+#ifndef UPDATE_ENGINE_DBUS_SERVICE_H_
+#define UPDATE_ENGINE_DBUS_SERVICE_H_
 
 #include <inttypes.h>
 #include <dbus/dbus-glib.h>
@@ -173,4 +173,4 @@
 
 G_END_DECLS
 
-#endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_DBUS_SERVICE_H_
+#endif  // UPDATE_ENGINE_DBUS_SERVICE_H_