From 35ef197be48634ee3978ec5c4d14fb07c3ce4fd7 Mon Sep 17 00:00:00 2001
From: Rubidium <rubidium@openttd.org>
Date: Wed, 12 Mar 2025 20:42:17 +0100
Subject: [PATCH] Codefix: potential integer overflow before widening integer

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

diff --git a/src/ground_vehicle.cpp b/src/ground_vehicle.cpp
index 97e21bafe1..ca8fe65fcf 100644
--- a/src/ground_vehicle.cpp
+++ b/src/ground_vehicle.cpp
@@ -110,7 +110,7 @@ int GroundVehicle<T, Type>::GetAcceleration() const
 	int64_t speed = v->GetCurrentSpeed(); // [km/h-ish]
 
 	/* Weight is stored in tonnes. */
-	int32_t mass = this->gcache.cached_weight;
+	int64_t mass = this->gcache.cached_weight;
 
 	/* Power is stored in HP, we need it in watts.
 	 * Each vehicle can have U16 power, 128 vehicles, HP -> watt