diff --git a/lib/Widgets/TextField.vala b/lib/Widgets/TextField.vala
index 04961b13..baf6a178 100644
--- a/lib/Widgets/TextField.vala
+++ b/lib/Widgets/TextField.vala
@@ -112,6 +112,7 @@
         });
 
         var main_box = new Gtk.Box (Gtk.Orientation.VERTICAL, 4);
+        main_box.hexpand = true;
         main_box.append(entry);
         main_box.append(support_label);