diff --git a/NPLib/Detectors/Hira/THiraPhysics.cxx b/NPLib/Detectors/Hira/THiraPhysics.cxx
index d9e9fb22bb6d79465ae6f3342401654e25e9e839..1b468a7dd52419eada28d0d34f1f9d7c46a7faa3 100644
--- a/NPLib/Detectors/Hira/THiraPhysics.cxx
+++ b/NPLib/Detectors/Hira/THiraPhysics.cxx
@@ -826,7 +826,7 @@ vector <TVector2> THiraPhysics::Match_EF_EB(){
             // if same detector check energy
             if(m_PreTreatedData->GetHiraStripXEDetectorNbr(i) == m_PreTreatedData->GetHiraStripYEDetectorNbr(j)){
                 // Look if energy match
-                if( abs( (m_PreTreatedData->GetHiraStripXEEnergy(i) - m_PreTreatedData->GetHiraStripYEEnergy(j))/2. ) < m_StripEnergyMatchingNumberOfSigma*m_StripEnergyMatchingSigma){
+                if( fabs( (m_PreTreatedData->GetHiraStripXEEnergy(i) - m_PreTreatedData->GetHiraStripYEEnergy(j))/2. ) < m_StripEnergyMatchingNumberOfSigma*m_StripEnergyMatchingSigma){
                     //Special Option, if the event is between two CsI crystal, it is rejected
                     if(m_Ignore_not_matching_CsI){
                         bool check_validity=false;
diff --git a/Projects/T40/Analysis.cxx b/Projects/T40/Analysis.cxx
index f3d951e96e8b52fe838d948ba5b02dd4cb53aef2..26b2468bf18651a075a11d5ddaecf696727c0381 100644
--- a/Projects/T40/Analysis.cxx
+++ b/Projects/T40/Analysis.cxx
@@ -8,7 +8,7 @@
 /*****************************************************************************
  * Original Author: Adrien MATTA  contact address: a.matta@surrey.ac.uk      *
  *                                                                           *
- * Creation Date  : march 2025                                               *
+ * Creation Date  : march 2015                                               *
  * Last update    :                                                          *
  *---------------------------------------------------------------------------*
  * Decription:                                                               *