diff --git a/plugins/XPSSpectrum.java b/plugins/XPSSpectrum.java
index 094b26b7..fe5fccb9 100644
--- a/plugins/XPSSpectrum.java
+++ b/plugins/XPSSpectrum.java
@@ -248,6 +248,7 @@ public class XPSSpectrum extends ScriptProcessor {
 
     void updateButtons() {
         buttonStart.setEnabled(isEnabled());
+        radioInitial.setEnabled(isEnabled());
         radioDetailed.setEnabled(isEnabled() && rangeSelectionPanel.getPlot().getSelectedRanges().length > 0);
         if (!radioDetailed.isEnabled()){
             radioInitial.setSelected(true);