diff --git a/gramps/plugins/tool/relcalc.glade b/gramps/plugins/tool/relcalc.glade
index 10046d9b5..1dff8e1e2 100644
--- a/gramps/plugins/tool/relcalc.glade
+++ b/gramps/plugins/tool/relcalc.glade
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.16.1 -->
 <interface>
   <!-- interface-requires gtk+ 3.0 -->
   <object class="GtkDialog" id="relcalc">
@@ -26,7 +27,6 @@
                 <property name="can_focus">True</property>
                 <property name="can_default">True</property>
                 <property name="receives_default">False</property>
-                <property name="use_action_appearance">False</property>
                 <property name="use_stock">True</property>
               </object>
               <packing>
@@ -73,6 +73,7 @@
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
                     <property name="tooltip_text" translatable="yes">Select a person to determine the relationship</property>
+                    <property name="vexpand">True</property>
                     <property name="rules_hint">True</property>
                     <child internal-child="selection">
                       <object class="GtkTreeSelection" id="treeview-selection1"/>