diff --git a/tryton/gui/window/view_form/view/form.py b/tryton/gui/window/view_form/view/form.py
index 77da32ec2a..eeb596cf1d 100644
--- a/tryton/gui/window/view_form/view/form.py
+++ b/tryton/gui/window/view_form/view/form.py
@@ -133,6 +133,7 @@ class ViewForm(ParserView):
                             menu.add(menuitem)
                             menuitem.show()
                         tbutton.set_menu(menu)
+            hbox.show_all()
 
 
     def _sig_clicked(self, widget, action, atype):
diff --git a/tryton/gui/window/view_form/view/list.py b/tryton/gui/window/view_form/view/list.py
index f68cc23e83..5a59e2cc6e 100644
--- a/tryton/gui/window/view_form/view/list.py
+++ b/tryton/gui/window/view_form/view/list.py
@@ -226,6 +226,7 @@ class ViewList(ParserView):
                             menu.add(menuitem)
                             menuitem.show()
                         tbutton.set_menu(menu)
+            hbox.show_all()
 
         self.display()