diff --git a/plugins/ScientaPanel.java b/plugins/ScientaPanel.java
index a2463556..3521cae6 100644
--- a/plugins/ScientaPanel.java
+++ b/plugins/ScientaPanel.java
@@ -11,10 +11,12 @@ import ch.psi.pshell.epics.Scienta.EnergyMode;
 import ch.psi.pshell.epics.Scienta.LensMode;
 import ch.psi.pshell.plot.LinePlotSeries;
 import ch.psi.pshell.plot.Plot;
+import ch.psi.utils.Arr;
 import ch.psi.utils.State;
 import ch.psi.utils.swing.SwingUtils;
 import java.awt.Component;
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.logging.Level;
 import javax.swing.DefaultComboBoxModel;
 import javax.swing.JComboBox;
@@ -262,10 +264,8 @@ public final class ScientaPanel extends DevicePanel {
             if ((dd.spectrum == null)||(dd.spectrumX==null)) {
                 throw new Exception("Invalid spectrum");
             }
-            if (dd.spectrumX.length<dd.spectrum.length){
-                throw new Exception("Invalid spectrum x size: " + dd.spectrumX.length + " - y size: " + dd.spectrum.length);
-            }
-            spectrumSeries.setData(dd.spectrumX, dd.spectrum);
+            int length = Math.min(dd.spectrumX.length, dd.spectrum.length);
+            spectrumSeries.setData( Arrays.copyOfRange(dd.spectrumX, 0, length),Arrays.copyOfRange(dd.spectrum, 0, length));
             plot.updateSeries(spectrumSeries);
         } catch (Exception ex) {
             getLogger().log(Level.FINE, null, ex);