diff --git a/src/resources/gtk/prefs-dialog.ui b/src/resources/gtk/prefs-dialog.ui
index 943af2552..4a248d22f 100644
--- a/src/resources/gtk/prefs-dialog.ui
+++ b/src/resources/gtk/prefs-dialog.ui
@@ -24,6 +24,7 @@
           <object class="GtkNotebook" id="notebook">
             <property name="visible">True</property>
             <property name="show_border">False</property>
+            <property name="margin">12</property>
             <child>
               <object class="GtkBox">
                 <property name="visible">True</property>