From f457be5a27439f2cbb276b3d5c731941687d286a Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Wed, 17 Jan 2024 22:26:33 +0100
Subject: [PATCH] Fix #11819, aa5ba5b: Out-of-bounds access in linkgraph GUI.
 (#11821)

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

diff --git a/src/linkgraph/linkgraph_gui.cpp b/src/linkgraph/linkgraph_gui.cpp
index b00f78ac9c..883484c26a 100644
--- a/src/linkgraph/linkgraph_gui.cpp
+++ b/src/linkgraph/linkgraph_gui.cpp
@@ -680,7 +680,7 @@ void LinkGraphLegendWindow::UpdateOverlayCompanies()
 void LinkGraphLegendWindow::UpdateOverlayCargoes()
 {
 	CargoTypes mask = 0;
-	for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
+	for (uint c = 0; c < num_cargo; c++) {
 		if (!this->IsWidgetLowered(WID_LGL_CARGO_FIRST + c)) continue;
 		SetBit(mask, _sorted_cargo_specs[c]->Index());
 	}