diff --git a/demos/gtk-demo/listbox.ui b/demos/gtk-demo/listbox.ui
index 9b5199ef7d..89d4a8c0dc 100644
--- a/demos/gtk-demo/listbox.ui
+++ b/demos/gtk-demo/listbox.ui
@@ -64,6 +64,8 @@
             </child>
             <child>
               <object class="GtkLabel" id="short_time_label">
+                <property name="hexpand">1</property>
+                <property name="xalign">1</property>
                 <property name="valign">baseline</property>
                 <property name="label" translatable="yes">38m</property>
                 <style>