diff --git a/gtk2_ardour/ardour_ui_options.cc b/gtk2_ardour/ardour_ui_options.cc
index d013f98e5b..b63d17266b 100644
--- a/gtk2_ardour/ardour_ui_options.cc
+++ b/gtk2_ardour/ardour_ui_options.cc
@@ -24,9 +24,12 @@
 
 #include <ardour/configuration.h>
 #include <ardour/session.h>
-#include <ardour/osc.h>
 #include <ardour/audioengine.h>
 
+#ifdef HAVE_LIBLO
+#include <ardour/osc.h>
+#endif
+
 #include "ardour_ui.h"
 #include "actions.h"
 #include "gui_thread.h"