diff --git a/benchmarks/barrel_ecal/scripts/emcal_barrel_pions_electrons.cxx b/benchmarks/barrel_ecal/scripts/emcal_barrel_pions_electrons.cxx
index 1bdfaea7d5b090e6c463f432331cd69119e3f4d1..81a0c245bc02451afb79713a44fc51a5ffdef552 100644
--- a/benchmarks/barrel_ecal/scripts/emcal_barrel_pions_electrons.cxx
+++ b/benchmarks/barrel_ecal/scripts/emcal_barrel_pions_electrons.cxx
@@ -80,8 +80,8 @@ void emcal_barrel_pions_electrons(int n_events = 1e6, double e_start = 0.0, doub
     v1->add_particle_in(p1);
     v1->add_particle_in(p2);
 
-    v1->add_particle_out(p3);
-    v1->add_particle_out(p4);
+    if (r1 -> Uniform(0,1) <= 0.5) {v1->add_particle_out(p3);}
+    else {v1->add_particle_out(p4);}
     evt.add_vertex(v1);
 
     if (events_parsed == 0) {
diff --git a/benchmarks/barrel_ecal/scripts/emcal_barrel_pions_electrons_analysis.cxx b/benchmarks/barrel_ecal/scripts/emcal_barrel_pions_electrons_analysis.cxx
index f3210e9e29d068f6980468fde9898349aabc811d..add5dc0f4818e0a7e85ddec9872e7d265cf0f4bb 100644
--- a/benchmarks/barrel_ecal/scripts/emcal_barrel_pions_electrons_analysis.cxx
+++ b/benchmarks/barrel_ecal/scripts/emcal_barrel_pions_electrons_analysis.cxx
@@ -70,8 +70,8 @@ void emcal_barrel_pions_electrons_analysis(const char* input_fname = "sim_output
 
   // Returns the pdgID of the particle
   auto getpid = [](std::vector<dd4pod::Geant4ParticleData> const& input) {
-    std::vector<int> result = {input[2].pdgID, input[3].pdgID};
-    return result;
+    //std::vector<int> result = {input[2].pdgID, input[3].pdgID};
+    return input[2].pdgID;
   };
 
   // Returns number of particle daughters