From bbfa1b67e4c48ee2d89d898a8d624606b9e15f16 Mon Sep 17 00:00:00 2001
From: Gymnasiast <m.o.steenbeek@gmail.com>
Date: Sun, 21 Nov 2021 21:45:43 +0100
Subject: [PATCH] Fix determining map size for S4

---
 src/openrct2/rct1/S4Importer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/openrct2/rct1/S4Importer.cpp b/src/openrct2/rct1/S4Importer.cpp
index fc8d62ccb0..3b275c501e 100644
--- a/src/openrct2/rct1/S4Importer.cpp
+++ b/src/openrct2/rct1/S4Importer.cpp
@@ -1540,7 +1540,7 @@ namespace RCT1
                 RCT1_MAX_MAP_SIZE, _s4.tile_elements, std::size(_s4.tile_elements));
 
             std::vector<TileElement> tileElements;
-            const auto maxSize = std::min<uint16_t>(RCT1_MAX_MAP_SIZE, _s4.map_size);
+            const auto maxSize = _s4.map_size == 0 ? RCT1_MAX_MAP_SIZE : _s4.map_size;
             for (TileCoordsXY coords = { 0, 0 }; coords.y < MAXIMUM_MAP_SIZE_TECHNICAL; coords.y++)
             {
                 for (coords.x = 0; coords.x < MAXIMUM_MAP_SIZE_TECHNICAL; coords.x++)