From 81e8e338d3e46a2970341b1afa47041cb8597e8d Mon Sep 17 00:00:00 2001
From: Volker Friese <v.friese@gsi.de>
Date: Tue, 8 Feb 2022 11:47:55 +0100
Subject: [PATCH] Bug fix in CbmStsDigitize when setting the user-defined
 processes.

---
 sim/detectors/sts/CbmStsDigitize.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sim/detectors/sts/CbmStsDigitize.cxx b/sim/detectors/sts/CbmStsDigitize.cxx
index f918b05609..c9619a01ff 100644
--- a/sim/detectors/sts/CbmStsDigitize.cxx
+++ b/sim/detectors/sts/CbmStsDigitize.cxx
@@ -820,7 +820,7 @@ void CbmStsDigitize::SetProcesses(CbmStsELoss eLossModel, Bool_t useLorentzShift
     return;
   }
 
-  fParSim->SetProcesses(eLossModel, useLorentzShift, useDiffusion, useCrossTalk);
+  fUserParSim->SetProcesses(eLossModel, useLorentzShift, useDiffusion, useCrossTalk);
 }
 // -------------------------------------------------------------------------
 
-- 
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