diff --git a/script/XPSSpectrum.py b/script/XPSSpectrum.py
index 805edc44..913e1d9c 100644
--- a/script/XPSSpectrum.py
+++ b/script/XPSSpectrum.py
@@ -106,10 +106,17 @@ try:
             if xdata is None:
                 xdata = Scienta.spectrumX
             p.getSeries(0).setData(xdata, ydata)
-            #eb_axis = p.chart.plot.getDomainAxis(1)
-            #eb1 = Eph.take(100) - Scienta.lowEnergy.take(100) - 4.5
-            #eb2 = Eph.take(100) - Scienta.highEnergy.take(100) - 4.5
-            #eb_axis.setRange(eb2, eb1)
+            
+            eb_axis = p.chart.plot.getDomainAxis(1)
+            ephot = Eph.take(100)
+            elo = Scienta.lowEnergy.take(100)
+            ehi = Scienta.highEnergy.take(100)
+            workfunc = 4.5
+            if ephot is not float or ephot < 0.:
+                ephot = ehi
+            eb1 = ephot - elo - workfunc
+            eb2 = ephot - ehi - workfunc
+            eb_axis.setRange(eb2, eb1)
 
             if save_scienta_image:
                 image_array = Scienta.dataMatrix.read()