diff --git a/extensions/uiconfig/sbibliography/ui/mappingdialog.ui b/extensions/uiconfig/sbibliography/ui/mappingdialog.ui
index 6ff515944adc..592517db4193 100644
--- a/extensions/uiconfig/sbibliography/ui/mappingdialog.ui
+++ b/extensions/uiconfig/sbibliography/ui/mappingdialog.ui
@@ -12,6 +12,7 @@
         <property name="can_focus">False</property>
         <property name="hexpand">True</property>
         <property name="vexpand">True</property>
+        <property name="orientation">vertical</property>
         <property name="spacing">12</property>
         <child>
           <object class="GtkFrame" id="frame1">
@@ -1046,8 +1047,7 @@
         <child internal-child="action_area">
           <object class="GtkButtonBox" id="dialog-action_area1">
             <property name="can_focus">False</property>
-            <property name="orientation">vertical</property>
-            <property name="layout_style">start</property>
+            <property name="layout_style">end</property>
             <child>
               <object class="GtkButton" id="ok">
                 <property name="label">gtk-ok</property>