diff --git a/real_dbus_wrapper.h b/real_dbus_wrapper.h
index 7e49f4e..002b486 100644
--- a/real_dbus_wrapper.h
+++ b/real_dbus_wrapper.h
@@ -8,8 +8,8 @@
 // A mockable interface for DBus.
 
 #include <base/macros.h>
-#include <dbus/dbus-glib-lowlevel.h>
 #include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
 
 #include "update_engine/dbus_wrapper_interface.h"