diff --git a/libs/pbd/pbd/property_basics.h b/libs/pbd/pbd/property_basics.h
index 9661180e21..5e94abdfc3 100644
--- a/libs/pbd/pbd/property_basics.h
+++ b/libs/pbd/pbd/property_basics.h
@@ -82,6 +82,8 @@ public:
 		: _property_id (pid)
 	{}
 
+	virtual ~PropertyBase () {}
+
 	/** Forget about any old value for this state */
 	virtual void clear_history () = 0;