diff --git a/gtk2_ardour/option_editor.cc b/gtk2_ardour/option_editor.cc
index 7ff5bc5adb..9fb367dfc9 100644
--- a/gtk2_ardour/option_editor.cc
+++ b/gtk2_ardour/option_editor.cc
@@ -22,6 +22,7 @@
 #include <gtkmm/alignment.h>
 #include "gtkmm2ext/utils.h"
 
+#include "ardour/types.h"
 #include "pbd/configuration.h"
 
 #include "ardour/rc_configuration.h"
diff --git a/libs/ardour/ardour/rc_configuration.h b/libs/ardour/ardour/rc_configuration.h
index 413f1699d3..9f62edd4fb 100644
--- a/libs/ardour/ardour/rc_configuration.h
+++ b/libs/ardour/ardour/rc_configuration.h
@@ -23,10 +23,10 @@
 #include <map>
 #include <string>
 
+#include "ardour/types.h"
 #include "pbd/configuration.h"
 
 #include "ardour/libardour_visibility.h"
-#include "ardour/types.h"
 #include "ardour/utils.h"
 
 class XMLNode;