diff --git a/NPSimulation/EventGenerator/EventGeneratorCosmic.cc b/NPSimulation/EventGenerator/EventGeneratorCosmic.cc
index 8da25d58d72ce30198c2973522626874695e7572..7ac4685d5ae2003b3a6cad04ab1932096d4ae86d 100644
--- a/NPSimulation/EventGenerator/EventGeneratorCosmic.cc
+++ b/NPSimulation/EventGenerator/EventGeneratorCosmic.cc
@@ -142,7 +142,7 @@ void EventGeneratorCosmic::ReadConfiguration(NPL::InputParser parser){
   G4double randomize1=0, randomize2=0 ;
   G4double momentum_y = 0;
   G4double angle = 0;
-  TF1* cosSq= new TF1("cosSq2", "TMath::Power(cos(x),2)", 0, (TMath::Pi())/2);
+  TF1* cosSq2= new TF1("cosSq2", "TMath::Power(cos(x),2)", 0, (TMath::Pi())/2);
 
 void EventGeneratorCosmic::GenerateEvent(G4Event*){