diff --git a/yafti/screen/window.py b/yafti/screen/window.py
index b03f31e..2a78649 100644
--- a/yafti/screen/window.py
+++ b/yafti/screen/window.py
@@ -37,7 +37,7 @@
                 <property name="visible">False</property>
               </object>
             </child>
-            <child>
+            <child type="end">
               <object class="GtkButton" id="btn_next">
                 <property name="label" translatable="yes">Next</property>
                 <property name="halign">center</property>