diff --git a/CuFluo_Ka_KaKb_Comp.cpp b/CuFluo_Ka_KaKb_Comp.cpp
index 39f36d2..6a7b7ff 100644
--- a/CuFluo_Ka_KaKb_Comp.cpp
+++ b/CuFluo_Ka_KaKb_Comp.cpp
@@ -90,11 +90,10 @@ int main(int argc, char* argv[]) {
   int high_bin_peak = 0;
   if (gain_str == "HG0") {
     low_bin_peak = 701;
-    //high_bin_peak = 1101; // was this and is still this in the main fitter
-    high_bin_peak = 1151;
+    high_bin_peak = 1200;
   } else if (gain_str == "G0") {
     low_bin_peak = 301;
-    high_bin_peak = 601;
+    high_bin_peak = 651;
   }
 
   for (int j=1; j<9; j++) {
@@ -233,11 +232,23 @@ int main(int argc, char* argv[]) {
 	mypar_KaKb[0] = 0.0;
 	mypar_KaKb[1] = 0.0;
 	mypar_KaKb[2] = proj_peak->GetBinCenter(proj_peak->GetMaximumBin());
-	mypar_KaKb[3] = 15.;
+	if (gain_str == "G0") {
+	  mypar_KaKb[3] = 16.;
+	} else if (gain_str == "HG0") {
+	  mypar_KaKb[3] = 29.;
+	}
 	mypar_KaKb[4] = proj_peak->GetBinContent(proj_peak->GetMaximumBin());
-	mypar_KaKb[5] = 0.18;
-	mypar_KaKb[6] = 1.121;
-	mypar_KaKb[7] = 0.11;
+	if (gain_str == "G0") {
+	  mypar_KaKb[5] = 0.17;
+	} else if (gain_str == "HG0") {
+	  mypar_KaKb[5] = 0.14;
+	}
+	mypar_KaKb[6] = 1.12;
+	if (gain_str == "G0") {
+	  mypar_KaKb[7] = 0.12;
+	} else if (gain_str == "HG0") {
+	  mypar_KaKb[7] = 0.14;
+	}
 
 	Double_t emypar_KaKb[8];
 	energyCalibration *thiscalibration_KaKb = new energyCalibration();