diff --git a/gtk/src/snes9x.ui b/gtk/src/snes9x.ui
index 7eee69f9..3d710cc2 100644
--- a/gtk/src/snes9x.ui
+++ b/gtk/src/snes9x.ui
@@ -543,6 +543,10 @@
               </packing>
             </child>
           </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+          </packing>
         </child>
       </object>
     </child>