diff --git a/MC/config/PWGUD/external/generator/GeneratorStarlight.C b/MC/config/PWGUD/external/generator/GeneratorStarlight.C
index 36a11be7c..132e57444 100644
--- a/MC/config/PWGUD/external/generator/GeneratorStarlight.C
+++ b/MC/config/PWGUD/external/generator/GeneratorStarlight.C
@@ -72,6 +72,7 @@ class GeneratorStarlight_class : public Generator
     {"kCohOmegaTo2Pi",       2,     223,   20, -1.0, -1.0,  223, 0 }, //
     {"kCohOmegaTo3Pi",       2,     223,   20, -1.0, -1.0,  223, 1 }, //
     {"kCohOmegaToPiPiPi",    2, 223211111, 20, -1.0, -1.0,  233, 0 }, //
+    {"kCohRhoPrimeTo4Pi",    3,     999, 1200, -1.0,  5.0,  30113, 0 }, //
     {"kCohJpsiToMu",         2,  443013,   20, -1.0, -1.0,  443, 0 }, //
     {"kCohJpsiToEl",         2,  443011,   20, -1.0, -1.0,  443, 0 }, //
     {"kCohJpsiToElRad",      2,  443011,   20, -1.0, -1.0,  443, 1 }, //
@@ -91,6 +92,7 @@ class GeneratorStarlight_class : public Generator
     {"kIncohOmegaTo2Pi",     4,     223,   20, -1.0, -1.0,  223, 0 }, //
     {"kIncohOmegaTo3Pi",     4,     223,   20, -1.0, -1.0,  223, 1 }, //
     {"kIncohOmegaToPiPiPi",  4, 223211111, 20, -1.0, -1.0,  223, 0 }, //
+    {"kIncohRhoPrimeTo4Pi",  4,     999, 1200, -1.0,  5.0,  30113, 0 }, //
     {"kIncohJpsiToMu",       4,  443013,   20, -1.0, -1.0,  443, 0 }, //
     {"kIncohJpsiToEl",       4,  443011,   20, -1.0, -1.0,  443, 0 }, //
     {"kIncohJpsiToElRad",    4,  443011,   20, -1.0, -1.0,  443, 1 }, //
diff --git a/MC/config/PWGUD/ini/makeStarlightConfig.py b/MC/config/PWGUD/ini/makeStarlightConfig.py
index c1aa452e2..2cc92456f 100755
--- a/MC/config/PWGUD/ini/makeStarlightConfig.py
+++ b/MC/config/PWGUD/ini/makeStarlightConfig.py
@@ -17,7 +17,7 @@
 parser.add_argument('--rapidity', default='cent', choices=['cent_rap', 'muon_rap', 'cent_eta', 'muon_eta'],
                     help='Rapidity to select')
 
-parser.add_argument('--process',default=None, choices=['kTwoGammaToMuLow', 'kTwoGammaToElLow', 'kTwoGammaToMuMedium', 'kTwoGammaToElMedium', 'kTwoGammaToMuHigh', 'kTwoGammaToElHigh', 'kTwoGammaToRhoRho', 'kTwoGammaToF2', 'kCohRhoToPi', 'kCohRhoToElEl', 'kCohRhoToMuMu', 'kCohRhoToPiWithCont', 'kCohRhoToPiFlat', 'kCohPhiToKa', 'kDirectPhiToKaKa', 'kCohPhiToEl', 'kCohOmegaTo2Pi', 'kCohOmegaTo3Pi', 'kCohOmegaToPiPiPi', 'kCohJpsiToMu', 'kCohJpsiToEl', 'kCohJpsiToElRad', 'kCohJpsiToProton', 'kCohPsi2sToMu','kCohPsi2sToEl', 'kCohPsi2sToMuPi', 'kCohPsi2sToElPi', 'kCohUpsilonToMu', 'kCohUpsilonToEl', 'kIncohRhoToPi', 'kIncohRhoToElEl', 'kIncohRhoToMuMu', 'kIncohRhoToPiWithCont', 'kIncohRhoToPiFlat', 'kIncohPhiToKa', 'kIncohOmegaTo2Pi', 'kIncohOmegaTo3Pi', 'kIncohOmegaToPiPiPi', 'kIncohJpsiToMu', 'kIncohJpsiToEl', 'kIncohJpsiToElRad', 'kIncohJpsiToProton', 'kIncohJpsiToLLbar', 'kIncohPsi2sToMu', 'kIncohPsi2sToEl', 'kIncohPsi2sToMuPi', 'kIncohPsi2sToElPi', 'kIncohUpsilonToMu', 'kIncohUpsilonToEl', 'kDpmjetSingle',  'kTauLowToEl3Pi', 'kTauLowToPo3Pi', 'kTauMediumToEl3Pi', 'kTauMediumToPo3Pi', 'kTauHighToEl3Pi', 'kTauHighToPo3Pi', 'kTauLowToElMu', 'kTauLowToElPiPi0', 'kTauLowToPoPiPi0'],
+parser.add_argument('--process',default=None, choices=['kTwoGammaToMuLow', 'kTwoGammaToElLow', 'kTwoGammaToMuMedium', 'kTwoGammaToElMedium', 'kTwoGammaToMuHigh', 'kTwoGammaToElHigh', 'kTwoGammaToRhoRho', 'kTwoGammaToF2', 'kCohRhoToPi', 'kCohRhoToElEl', 'kCohRhoToMuMu', 'kCohRhoToPiWithCont', 'kCohRhoToPiFlat', 'kCohPhiToKa', 'kDirectPhiToKaKa', 'kCohPhiToEl', 'kCohOmegaTo2Pi', 'kCohOmegaTo3Pi', 'kCohOmegaToPiPiPi', 'kCohRhoPrimeTo4Pi', 'kCohJpsiToMu', 'kCohJpsiToEl', 'kCohJpsiToElRad', 'kCohJpsiToProton', 'kCohPsi2sToMu','kCohPsi2sToEl', 'kCohPsi2sToMuPi', 'kCohPsi2sToElPi', 'kCohUpsilonToMu', 'kCohUpsilonToEl', 'kIncohRhoToPi', 'kIncohRhoToElEl', 'kIncohRhoToMuMu', 'kIncohRhoToPiWithCont', 'kIncohRhoToPiFlat', 'kIncohPhiToKa', 'kIncohOmegaTo2Pi', 'kIncohOmegaTo3Pi', 'kIncohOmegaToPiPiPi', 'kIncohRhoPrimeTo4Pi', 'kIncohJpsiToMu', 'kIncohJpsiToEl', 'kIncohJpsiToElRad', 'kIncohJpsiToProton', 'kIncohJpsiToLLbar', 'kIncohPsi2sToMu', 'kIncohPsi2sToEl', 'kIncohPsi2sToMuPi', 'kIncohPsi2sToElPi', 'kIncohUpsilonToMu', 'kIncohUpsilonToEl', 'kDpmjetSingle',  'kTauLowToEl3Pi', 'kTauLowToPo3Pi', 'kTauMediumToEl3Pi', 'kTauMediumToPo3Pi', 'kTauHighToEl3Pi', 'kTauHighToPo3Pi', 'kTauLowToElMu', 'kTauLowToElPiPi0', 'kTauLowToPoPiPi0'],
                     help='Process to switch on')
                     
                     
@@ -71,7 +71,7 @@
 
 ### Generator
 fout.write('[GeneratorExternal] \n')
-if  'Psi2sToMuPi' in args.process or 'Psi2sToElPi' in args.process or 'RhoPrime' in args.process or 'OmegaTo3Pi' in args.process or 'JpsiToElRad' in args.process or 'kTau' in args.process:
+if  'Psi2sToMuPi' in args.process or 'Psi2sToElPi' in args.process or 'OmegaTo3Pi' in args.process or 'JpsiToElRad' in args.process or 'kTau' in args.process:
     fout.write('fileName = ${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGUD/external/generator/GeneratorStarlightToEvtGen.C \n')
     fout.write('funcName = GeneratorStarlightToEvtGen("%s", %f, %d, %d, %d, %d, "%s")  \n' % (args.process,args.eCM ,pZ,pA,tZ,tA,args.extraPars))
 else: