diff --git a/samples/embedder/run_timer.cc b/samples/embedder/run_timer.cc
index 4a9d1d91e1d..da81007e338 100644
--- a/samples/embedder/run_timer.cc
+++ b/samples/embedder/run_timer.cc
@@ -2,6 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+#include <atomic>
 #include <condition_variable>
 #include <iostream>
 #include <mutex>