diff --git a/gtk2_ardour/ardour_ui_session.cc b/gtk2_ardour/ardour_ui_session.cc
index 9bc6a898ac..af3b5a8f96 100644
--- a/gtk2_ardour/ardour_ui_session.cc
+++ b/gtk2_ardour/ardour_ui_session.cc
@@ -40,7 +40,7 @@
 #include <gtkmm/stock.h>
 
 #include "pbd/basename.h"
-#include "pbd/i18n.h"
+#include "pbd/localtime_r.h"
 #include "pbd/unwind.h"
 
 #include "gtkmm2ext/application.h"
@@ -70,6 +70,8 @@
 #include <fst.h>
 #endif
 
+#include "pbd/i18n.h"
+
 using namespace ARDOUR;
 using namespace ARDOUR_UI_UTILS;
 using namespace PBD;