From 07b4ac11df45b0cc62081fba2c1775d023bdc8cc Mon Sep 17 00:00:00 2001
From: Owen Arnold <owen.arnold@stfc.ac.uk>
Date: Thu, 15 Oct 2015 11:03:46 +0100
Subject: [PATCH] refs #13997. Don't rewrite spectra-detector map

In the algorithm. David has explicitly set the spectrum numbers, so don't overwrite what he's put there already.
---
 Framework/DataHandling/src/LoadBBY.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Framework/DataHandling/src/LoadBBY.cpp b/Framework/DataHandling/src/LoadBBY.cpp
index 5c670badbac..e117a87dd61 100644
--- a/Framework/DataHandling/src/LoadBBY.cpp
+++ b/Framework/DataHandling/src/LoadBBY.cpp
@@ -405,6 +405,7 @@ void LoadBBY::exec() {
       createChildAlgorithm("LoadInstrument");
   loadInstrumentAlg->setProperty("Workspace", eventWS);
   loadInstrumentAlg->setPropertyValue("InstrumentName", "BILBY");
+  loadInstrumentAlg->setProperty("RewriteSpectraMap", false);
   loadInstrumentAlg->executeAsChildAlg();
 
   setProperty("OutputWorkspace", eventWS);
@@ -826,4 +827,4 @@ void BbyDetectorBankFactory::createAndAssign(size_t startIndex,
 }
 
 } // DataHandling
-} // Mantid
\ No newline at end of file
+} // Mantid
-- 
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