diff --git a/Software/BiasVoltageScan/BiasVoltageScan.C b/Software/BiasVoltageScan/BiasVoltageScan.C
index 36486f9..de0dabf 100644
--- a/Software/BiasVoltageScan/BiasVoltageScan.C
+++ b/Software/BiasVoltageScan/BiasVoltageScan.C
@@ -154,14 +154,18 @@
     const Float_t stepV = 10.;
     const Int_t steps = (Int_t)((maxV-minV)/stepV+1);
     Float_t V[steps];
+    Float_t Ve[steps];
     Float_t meanADC[steps];
+    Float_t meanADCe[steps];
     Float_t mean4ADC[steps];
+    Float_t mean4ADCe[steps];
 
     // Open output ROOT file.
     TFile *output = TFile::Open(TString(output_ROOT),"RECREATE");
 
     for (Int_t step=0;step<steps;step++) {
         V[step] = minV+step*stepV;
+        Ve[step] = 0.;
 
         // Open input data ROOT files.
         // I did not find a better way to create a string containing the bias voltage.
@@ -236,8 +240,10 @@
         }
 
         meanADC[step] = hist->GetMean();
+        meanADCe[step] = hist->GetMeanError();
         mean4ADC[step] = hist1->GetMean()+hist2->GetMean()+hist3->GetMean()+hist4->GetMean();
-
+        mean4ADCe[step] = hist1->GetMeanError()+hist2->GetMeanError()+hist3->GetMeanError()+hist4->GetMeanError();
+        
         // Close input data ROOT files.
         input->Close();
     }
@@ -254,6 +260,15 @@
         cbiasVoltageScan = new TCanvas(Form("cbiasVoltageScan-%s",filename),"",400,300);
     DrawGraph(cbiasVoltageScan,gbiasVoltageScan,"APC",path_to_figures);
 
+    TGraphErrors *gebiasVoltageScan = new TGraphErrors(steps,V,meanADC,Ve,meanADCe);
+    InitGraphErrors(gebiasVoltageScan,"Bias voltage scan - 1 strip","Bias voltage (V)","ADC counts");
+    TCanvas *cebiasVoltageScan;
+    if (CMNSub == 1)
+        cebiasVoltageScan = new TCanvas(Form("cebiasVoltageScan-ComputeCMN-%s",filename),"",400,300);
+    else
+        cebiasVoltageScan = new TCanvas(Form("cebiasVoltageScan-%s",filename),"",400,300);
+    DrawGraphErrors(cebiasVoltageScan,gebiasVoltageScan,"APC",path_to_figures);
+
     // Four adjacent strips.
     TGraph *gbiasVoltageScan4 = new TGraph(steps,V,mean4ADC);
     InitGraph(gbiasVoltageScan4,"Bias voltage scan - 4 adjacent strips","Bias voltage (V)","ADC counts");
@@ -264,6 +279,15 @@
         cbiasVoltageScan4 = new TCanvas(Form("cbiasVoltageScan4-%s",filename),"",400,300);
     DrawGraph(cbiasVoltageScan4,gbiasVoltageScan4,"APC",path_to_figures);
 
+    TGraphErrors *gebiasVoltageScan4 = new TGraphErrors(steps,V,mean4ADC,Ve,mean4ADCe);
+    InitGraph(gebiasVoltageScan4,"Bias voltage scan - 4 adjacent strips","Bias voltage (V)","ADC counts");
+    TCanvas *cebiasVoltageScan4;
+    if (CMNSub == 1)
+        cebiasVoltageScan4 = new TCanvas(Form("cebiasVoltageScan4-ComputeCMN-%s",filename),"",400,300);
+    else
+        cebiasVoltageScan4 = new TCanvas(Form("cebiasVoltageScan4-%s",filename),"",400,300);
+    DrawGraphErrors(cebiasVoltageScan4,gebiasVoltageScan4,"APC",path_to_figures);
+
     // Write output ROOT file.
     output->Write();