From 40101515fa0e40f81234bdd122428ddd88630baa Mon Sep 17 00:00:00 2001
From: Wahid Redjeb <wahid.redjeb.wr@gmail.com>
Date: Mon, 1 Aug 2022 16:11:31 +0200
Subject: [PATCH] bug fix in PatternRecognition by FastJet

---
 RecoHGCal/TICL/plugins/PatternRecognitionbyFastJet.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/RecoHGCal/TICL/plugins/PatternRecognitionbyFastJet.cc b/RecoHGCal/TICL/plugins/PatternRecognitionbyFastJet.cc
index 21eba683e5ab2..7b041b6279a67 100644
--- a/RecoHGCal/TICL/plugins/PatternRecognitionbyFastJet.cc
+++ b/RecoHGCal/TICL/plugins/PatternRecognitionbyFastJet.cc
@@ -53,7 +53,11 @@ void PatternRecognitionbyFastJet<TILES>::buildJetAndTracksters(std::vector<Pseud
   }
 
   auto trackster_idx = result.size();
-  result.resize(trackster_idx + jets.size());
+  auto jetsSize = std::count_if(jets.begin(), jets.end(), [=](fastjet::PseudoJet jet) {
+    return jet.constituents().size() > static_cast<unsigned int>(minNumLayerCluster_);
+  });
+  result.resize(trackster_idx + jetsSize);
+
   for (const auto &pj : jets) {
     if (pj.constituents().size() > static_cast<unsigned int>(minNumLayerCluster_)) {
       for (const auto &component : pj.constituents()) {