diff --git a/src/npf.h b/src/npf.h
--- a/src/npf.h
+++ b/src/npf.h
@@ -6,7 +6,9 @@
 #define NPF_H
 
 #include "aystar.h"
-#include "station.h"
+#include "station_type.h"
+#include "rail_type.h"
+#include "player_type.h"
 #include "vehicle_type.h"
 #include "tile_type.h"
 #include "track_type.h"