diff --git a/src/gnome/dialog-scheduledxaction.c b/src/gnome/dialog-scheduledxaction.c
index 81d9387fea..6223a2eaaf 100644
--- a/src/gnome/dialog-scheduledxaction.c
+++ b/src/gnome/dialog-scheduledxaction.c
@@ -2487,7 +2487,7 @@ _open_editors(GtkDialog *dialog, gint response_code, gpointer data)
 }
 
 static void
-_sx_engine_event_handler(QofEntity *ent, QofEventId event_type, gpointer user_data)
+_sx_engine_event_handler(QofEntity *ent, QofEventId event_type, gpointer user_data, gpointer evt_data)
 {
   Account *acct;
   QofBook *book;