diff --git a/src/ana/api/timers.hpp b/src/ana/api/timers.hpp
index e571a82277d..86cece85e96 100644
--- a/src/ana/api/timers.hpp
+++ b/src/ana/api/timers.hpp
@@ -30,11 +30,13 @@
  *
  */
 
-#include "buffers.hpp"
-
 #ifndef ANA_TIMERS_HPP
 #define ANA_TIMERS_HPP
 
+#include "buffers.hpp"
+
+#include <boost/bind.hpp>
+
 #ifndef ANA_DETAIL_INTERNAL_HPP
 #error "Private file, do not include directly."
 #endif