Index: lifeograph-2.0.2/ui/preferences.ui
===================================================================
--- lifeograph-2.0.2.orig/ui/preferences.ui
+++ lifeograph-2.0.2/ui/preferences.ui
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.38.1 -->
+<!-- Generated with glade 3.38.2 -->
 <interface>
   <requires lib="gtk+" version="3.24"/>
   <object class="GtkDialog" id="D_preferences">
@@ -19,7 +19,43 @@
           <object class="GtkButtonBox">
             <property name="can-focus">False</property>
             <child>
-              <placeholder/>
+              <object class="GtkBox">
+                <property name="visible">True</property>
+                <property name="can-focus">False</property>
+                <child>
+                  <object class="GtkButton">
+                    <property name="label">gtk-cancel</property>
+                    <property name="visible">True</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">True</property>
+                    <property name="use-stock">True</property>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkButton">
+                    <property name="label">gtk-apply</property>
+                    <property name="visible">True</property>
+                    <property name="can-focus">True</property>
+                    <property name="receives-default">True</property>
+                    <property name="use-stock">True</property>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">1</property>
+                  </packing>
+                </child>
+              </object>
+              <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
             </child>
           </object>
           <packing>