diff --git a/ubinstall-gtk.glade b/ubinstall-gtk.glade
index 76dd6c9..37b4371 100644
--- a/ubinstall-gtk.glade
+++ b/ubinstall-gtk.glade
@@ -3270,9 +3270,9 @@ installed.</property>
                                                 <property name="can-focus">False</property>
                                                 <property name="active">1</property>
                                                 <items>
-                                                  <item translatable="yes">Mb</item>
-                                                  <item translatable="yes">Gb</item>
-                                                  <item translatable="yes">Tb</item>
+                                                  <item id="M" translatable="yes">Mb</item>
+                                                  <item id="G" translatable="yes">Gb</item>
+                                                  <item id="T" translatable="yes">Tb</item>
                                                 </items>
                                               </object>
                                               <packing>