From 9236c8e252de386af1b3945578fe3ff96aab5f89 Mon Sep 17 00:00:00 2001
From: Giovanni <gpetruc@gmail.com>
Date: Tue, 6 Feb 2018 11:57:42 +0100
Subject: [PATCH] Fix dE/dx hit association index

---
 PhysicsTools/PatAlgos/plugins/PATIsolatedTrackProducer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PhysicsTools/PatAlgos/plugins/PATIsolatedTrackProducer.cc b/PhysicsTools/PatAlgos/plugins/PATIsolatedTrackProducer.cc
index 5dc133b7bd222..88cb064bfceff 100644
--- a/PhysicsTools/PatAlgos/plugins/PATIsolatedTrackProducer.cc
+++ b/PhysicsTools/PatAlgos/plugins/PATIsolatedTrackProducer.cc
@@ -385,7 +385,7 @@ void pat::PATIsolatedTrackProducer::produce(edm::Event& iEvent, const edm::Event
             const auto &dedxRef = (*gt2dedxHitInfo)[tkref];
             if (saveDeDxHitInfoCut_(outPtrP->back()) && dedxRef.isNonnull()) {
                 outDeDxC->push_back( *dedxRef );
-                dEdXass.push_back(outDeDxC->size());
+                dEdXass.push_back(outDeDxC->size()-1);
             } else {
                 dEdXass.push_back(-1);
             }