From 9707558693b9311e93a93ab7bb7122c38e774797 Mon Sep 17 00:00:00 2001
From: David Rohr <drohr@jwdt.org>
Date: Thu, 7 Mar 2024 10:58:25 +0100
Subject: [PATCH] GPU: Set Bz field for GPU propagator in kG unit

---
 GPU/GPUTracking/Global/GPUChainTracking.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/GPU/GPUTracking/Global/GPUChainTracking.cxx b/GPU/GPUTracking/Global/GPUChainTracking.cxx
index 67cb0fc74a229..4c540b235af71 100644
--- a/GPU/GPUTracking/Global/GPUChainTracking.cxx
+++ b/GPU/GPUTracking/Global/GPUChainTracking.cxx
@@ -470,7 +470,7 @@ void GPUChainTracking::UpdateGPUCalibObjects(int stream, const GPUCalibObjectsCo
   if (processors()->calibObjects.o2Propagator && (ptrMask == nullptr || ptrMask->o2Propagator)) {
     memcpy((void*)mFlatObjectsShadow.mCalibObjects.o2Propagator, (const void*)processors()->calibObjects.o2Propagator, sizeof(*processors()->calibObjects.o2Propagator));
     mFlatObjectsShadow.mCalibObjects.o2Propagator->setGPUField(&processorsDevice()->param.polynomialField);
-    mFlatObjectsShadow.mCalibObjects.o2Propagator->setBz(param().polynomialField.GetNominalBz());
+    mFlatObjectsShadow.mCalibObjects.o2Propagator->setBz(param().bzkG);
     mFlatObjectsShadow.mCalibObjects.o2Propagator->setMatLUT(mFlatObjectsShadow.mCalibObjects.matLUT);
   }
 #endif