From ad3c9ae1f1826ddc0b75435dc39727e658268c93 Mon Sep 17 00:00:00 2001
From: Peter Nelson <peter1138@openttd.org>
Date: Sat, 10 Feb 2024 23:29:42 +0000
Subject: [PATCH] Fix #12052: NewGRFs clearing industry cargo slots could
 fallback to default instead of empty.

Ensure the default label is cleared when NewGRF sets a produced/accepted cargo slot, so that default fallback isn't used.
---
 src/newgrf.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index ffc16c067a..676f63d6d1 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -3790,6 +3790,7 @@ static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop,
 					} else {
 						indsp->produced_cargo[i] = INVALID_CARGO;
 					}
+					indsp->produced_cargo_label[i] = CT_INVALID;
 				}
 				break;
 			}
@@ -3808,6 +3809,7 @@ static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop,
 					} else {
 						indsp->accepts_cargo[i] = INVALID_CARGO;
 					}
+					indsp->accepts_cargo_label[i] = CT_INVALID;
 				}
 				break;
 			}