diff --git a/NPLib/Physics/TReactionConditions.cxx b/NPLib/Physics/TReactionConditions.cxx
index a7232682aff34cd76289d147e1da34d7cf18b588..ec1cc69e4066e76b4b306dae5464bd1b577a8a5e 100644
--- a/NPLib/Physics/TReactionConditions.cxx
+++ b/NPLib/Physics/TReactionConditions.cxx
@@ -37,7 +37,7 @@ TReactionConditions::~TReactionConditions(){
 ////////////////////////////////////////////////////////////////////////////////
 void TReactionConditions::Clear(){
     // Beam beam parameter
-    fRC_Beam_Particle_Name.clear();
+    fRC_Beam_Particle_Name="";
     fRC_Beam_Emittance_ThetaX = -1;
     fRC_Beam_Emittance_PhiY = -1;
     fRC_Beam_Emittance_Theta = -1;
diff --git a/NPLib/scripts/Style_nptool.C b/NPLib/scripts/Style_nptool.C
index 60c8f49926f3e4e2d0831939d74a16a88076b15b..b3a1f196928ad73cdee2d3e12ddd6be4fb8eb21b 100644
--- a/NPLib/scripts/Style_nptool.C
+++ b/NPLib/scripts/Style_nptool.C
@@ -13,9 +13,9 @@ void Style_nptool(){
   style->SetFrameFillColor(kWhite);	
   style->SetFrameBorderMode(0);	
   style->SetFrameLineColor(kWhite);
-  style->SetStatColor(kBlack);	
+  style->SetStatColor(kWhite);	
   style->SetTitleFillColor(kWhite);  
-  style->SetTitleColor(kBlack,"pad");
+  style->SetTitleColor(kWhite,"pad");
   style->SetTitleBorderSize(0);
   style->SetTextColor(kBlack);
 
diff --git a/NPSimulation/Process/BeamReaction.cc b/NPSimulation/Process/BeamReaction.cc
index 5798ec4daa09f26e2649db1f8d8f2f713a56f85b..c5cddf85e723f3ed6eec9d4ee554e07437718170 100644
--- a/NPSimulation/Process/BeamReaction.cc
+++ b/NPSimulation/Process/BeamReaction.cc
@@ -139,6 +139,7 @@ G4bool NPS::BeamReaction::ModelTrigger(const G4FastTrack& fastTrack) {
 ////////////////////////////////////////////////////////////////////////////////
 void NPS::BeamReaction::DoIt(const G4FastTrack& fastTrack,G4FastStep& fastStep) {
     
+    // Clear Previous Event
     m_ReactionConditions->Clear();
     
     // Get the track info