From 31ad8bdd07e43dc00c321cbe1e3ed3420efccf27 Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Mon, 27 May 2019 14:54:07 +0100
Subject: [PATCH] Do not add virtual vehicles to tile hash

---
 src/vehicle.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 7e9fbfd93b..07932435cf 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -734,7 +734,7 @@ static void UpdateVehicleTileHash(Vehicle *v, bool remove)
 	Vehicle **old_hash = v->hash_tile_current;
 	Vehicle **new_hash;
 
-	if (remove) {
+	if (remove || HasBit(v->subtype, GVSF_VIRTUAL)) {
 		new_hash = nullptr;
 	} else {
 		int x = GB(TileX(v->tile), HASH_RES, HASH_BITS);