diff --git a/action_pipe_unittest.cc b/action_pipe_unittest.cc
index 0f777fb..3cdd03d 100644
--- a/action_pipe_unittest.cc
+++ b/action_pipe_unittest.cc
@@ -2,10 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "update_engine/action_pipe.h"
+
 #include <string>
 #include <gtest/gtest.h>
 #include "update_engine/action.h"
-#include "update_engine/action_pipe.h"
 
 using std::string;