diff --git a/src/track_func.h b/src/track_func.h
index bc325d8928..5ee8822c98 100644
--- a/src/track_func.h
+++ b/src/track_func.h
@@ -605,7 +605,7 @@ inline TrackdirBits TrackdirReachesTrackdirs(Trackdir trackdir)
  */
 inline TrackdirBits TrackdirCrossesTrackdirs(Trackdir trackdir)
 {
-	assert(IsValidTrackdirForRoadVehicle(trackdir));
+	assert(IsValidTrackdir(trackdir));
 	extern const TrackdirBits _track_crosses_trackdirs[TRACK_END];
 	return _track_crosses_trackdirs[TrackdirToTrack(trackdir)];
 }