diff --git a/gtsam/base/timing.h b/gtsam/base/timing.h
index d1e90f63a..b89e15637 100644
--- a/gtsam/base/timing.h
+++ b/gtsam/base/timing.h
@@ -18,7 +18,6 @@
 #pragma once
 
 #include <gtsam/base/FastMap.h>
-#include <gtsam/base/types.h>
 #include <gtsam/dllexport.h>
 #include <gtsam/config.h> // for GTSAM_USE_TBB
 
@@ -118,6 +117,7 @@
 #  include <boost/timer/timer.hpp>
 #else
 #  include <boost/timer.hpp>
+#  include <gtsam/base/types.h>
 #endif
 
 #ifdef GTSAM_USE_TBB