diff --git a/src/PrimaryGeneratorAction.cc b/src/PrimaryGeneratorAction.cc
index 192466c..61d9418 100644
--- a/src/PrimaryGeneratorAction.cc
+++ b/src/PrimaryGeneratorAction.cc
@@ -83,7 +83,7 @@ void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
       rand = G4INCL::Random::shoot();
   partEnergy = rand*(maxPartEnergy-minPartEnergy)+minPartEnergy;
 
-  G4cout << "shooting with  " << partEnergy << " GeV" << G4endl;
+  //G4cout << "shooting with  " << partEnergy << " GeV" << G4endl;
 
   auto particleDefinition
     = G4ParticleTable::GetParticleTable()->FindParticle(partSpecies);