diff --git a/data/glade/preferences_window.glade b/data/glade/preferences_window.glade
index b16819d2e..b8dcd9861 100644
--- a/data/glade/preferences_window.glade
+++ b/data/glade/preferences_window.glade
@@ -2214,7 +2214,7 @@ Disabled</property>
 		</widget>
 		<packing>
 		  <property name="padding">0</property>
-		  <property name="expand">False</property>
+		  <property name="expand">True</property>
 		  <property name="fill">True</property>
 		</packing>
 	      </child>