diff --git a/src/main/java/org/rappsilber/fdr/gui/FDRGUI.form b/src/main/java/org/rappsilber/fdr/gui/FDRGUI.form
index acaa9f1..4b07d1c 100644
--- a/src/main/java/org/rappsilber/fdr/gui/FDRGUI.form
+++ b/src/main/java/org/rappsilber/fdr/gui/FDRGUI.form
@@ -294,12 +294,13 @@
                           <Properties>
                             <Property name="editable" type="boolean" value="true"/>
                             <Property name="model" type="javax.swing.ComboBoxModel" editor="org.netbeans.modules.form.editors2.ComboBoxModelEditor">
-                              <StringArray count="5">
+                              <StringArray count="6">
                                 <StringItem index="0" value="Score"/>
                                 <StringItem index="1" value="pvalue"/>
                                 <StringItem index="2" value="FDRScore"/>
-                                <StringItem index="3" value="MS:1001143"/>
-                                <StringItem index="4" value="search engine specific score for PSMs"/>
+                                <StringItem index="3" value="xi:score"/>
+                                <StringItem index="4" value="MS:1001143"/>
+                                <StringItem index="5" value="search engine specific score for PSMs"/>
                               </StringArray>
                             </Property>
                           </Properties>
diff --git a/src/main/java/org/rappsilber/fdr/gui/FDRGUI.java b/src/main/java/org/rappsilber/fdr/gui/FDRGUI.java
index 098e097..f20e236 100644
--- a/src/main/java/org/rappsilber/fdr/gui/FDRGUI.java
+++ b/src/main/java/org/rappsilber/fdr/gui/FDRGUI.java
@@ -2269,7 +2269,7 @@ public void actionPerformed(java.awt.event.ActionEvent evt) {
         });
 
         cbMZMatchScoreName.setEditable(true);
-        cbMZMatchScoreName.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Score", "pvalue", "FDRScore", "MS:1001143", "search engine specific score for PSMs" }));
+        cbMZMatchScoreName.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Score", "pvalue", "FDRScore", "xi:score", "MS:1001143", "search engine specific score for PSMs" }));
         cbMZMatchScoreName.addActionListener(new java.awt.event.ActionListener() {
             public void actionPerformed(java.awt.event.ActionEvent evt) {
                 cbMZMatchScoreNameActionPerformed(evt);