diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 17773905c4..b27d36dfbb 100644
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -60,6 +60,7 @@
 #include "ardour/port.h"
 #include "ardour/port_insert.h"
 #include "ardour/processor.h"
+#include "ardour/profile.h"
 #include "ardour/route.h"
 #include "ardour/route_group.h"
 #include "ardour/send.h"