diff --git a/src/PrimaryGeneratorAction.cc b/src/PrimaryGeneratorAction.cc
index 01d876b..65e880a 100644
--- a/src/PrimaryGeneratorAction.cc
+++ b/src/PrimaryGeneratorAction.cc
@@ -132,7 +132,7 @@ void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
   }
   fParticleGun->SetParticlePosition(G4ThreeVector(x*cm, y*cm, -worldZHalfLength));
   //printout for checking
-  G4cout << "shooting at " << x << " " << y << " " << -worldZHalfLength << G4endl;
+  //G4cout << "shooting at " << x << " " << y << " " << -worldZHalfLength << G4endl;
 
   fParticleGun->GeneratePrimaryVertex(anEvent);