From 566fc069e03d945d59395596f36d5fd68e367a90 Mon Sep 17 00:00:00 2001
From: Vickie Lynch <lynchve@ornl.gov>
Date: Wed, 3 Oct 2018 08:48:10 -0400
Subject: [PATCH] Refs #23697 eliminate duplicate peak numbers

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

diff --git a/Framework/Crystal/src/SaveIsawPeaks.cpp b/Framework/Crystal/src/SaveIsawPeaks.cpp
index 0ce31ff541f..ebccb80a5f2 100644
--- a/Framework/Crystal/src/SaveIsawPeaks.cpp
+++ b/Framework/Crystal/src/SaveIsawPeaks.cpp
@@ -267,7 +267,7 @@ void SaveIsawPeaks::exec() {
   runMap_t::iterator runMap_it;
   for (runMap_it = runMap.begin(); runMap_it != runMap.end(); ++runMap_it) {
     // Start of a new run
-    appendPeakNumb += maxPeakNumb;
+    if (maxPeakNumb > 0) appendPeakNumb += maxPeakNumb + 1;
     int run = runMap_it->first;
     bankMap_t &bankMap = runMap_it->second;
 
-- 
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