diff --git a/MC/CustomGenerators/PWGLF/Pythia8_Monash2013_Rsn_f0f1.C b/MC/CustomGenerators/PWGLF/Pythia8_Monash2013_Rsn_f0f1.C
index 2804ebda..1480afc3 100644
--- a/MC/CustomGenerators/PWGLF/Pythia8_Monash2013_Rsn_f0f1.C
+++ b/MC/CustomGenerators/PWGLF/Pythia8_Monash2013_Rsn_f0f1.C
@@ -14,34 +14,20 @@ AliGenerator *GeneratorCustom()
   AliGenerator *py8 = GeneratorPythia8(kPythia8Tune_Monash2013);
   ctl->AddGenerator(py8, "Pythia8 (Monash2013)", 1.);
   // randomly injected particles
-  const int nParticles = 7;
+  const int nParticles = 5;
   particle_inj particleList[nParticles] = {
       // {name,pdgcode,maxpt,maxy},
       {1, "f0(1710)", 10331, 20., 0.9},
       {1, "f2(1525)", 335, 20., 0.9},
       {1, "f0(1500)", 9030221, 20., 0.9},
-      {1, "f2(1270)", 225, 20., 0.9},
-      {1, "f0(1370)", 10221, 20., 0.9},
       {1, "f1(1285)", 20223, 20., 0.9},
       {1, "f1(1420)", 20333, 20., 0.9}};
 
-  AliDecayerPythia *dec = new AliDecayerPythia;
-  dec->SetForceDecay(kF0F1K0s);
-  AliDecayerPythia *dec2 = new AliDecayerPythia; // for f1 to K0s K anti-pi
-  dec2->SetForceDecay(kF1K0sK);
-  AliPDG::AddParticlesToPdgDataBase();  
-
+  
   ctl->UseSingleInjectionPerEvent();
-  for (int idx = 0; idx < nParticles; ++idx)
-  {
-    AliGenerator *inj = GeneratorParam(particleList[idx].n, particleList[idx].pdg, 1., particleList[idx].maxpt, -particleList[idx].maxy, particleList[idx].maxy, dec);
+  for (int idx = 0; idx < nParticles; ++idx) {
+    AliGenerator   *inj = GeneratorInjector(particleList[idx].n, particleList[idx].pdg, 0., particleList[idx].maxpt,-particleList[idx].maxy, particleList[idx].maxy);
     ctl->AddGenerator(inj, (TString(particleList[idx].name) + " injector").Data(), 1.);
   }
-  // f1(1285) to K0s K anti-pi
-  AliGenerator *inj_20223 = GeneratorParam(1, 20223, 1., 20., -0.9, 0.9, dec2);
-  ctl->AddGenerator(inj_20223, "f1(1285) to K0,K,pi- injector", 1.);
-  // f1(1420) to K0s K anti-pi
-  AliGenerator *inj_20333 = GeneratorParam(1, 20333, 1., 20., -0.9, 0.9, dec2);
-  ctl->AddGenerator(inj_20333, "f1(1420) to K0,K,pi- injector", 1.);
   return ctl;
 }