diff --git a/sao/src/view/tree.js b/sao/src/view/tree.js
index eb8def9819..c7006e962d 100644
--- a/sao/src/view/tree.js
+++ b/sao/src/view/tree.js
@@ -72,7 +72,8 @@
             this.view.columns.push(column);
 
             if (attributes.optional) {
-                this.view.optionals.push(column);
+                Sao.setdefault(
+                    this.view.optionals, column.attributes.name, []).push(column);
             }
 
             if (parseInt(attributes.sum || '0', 10)) {
@@ -99,7 +100,7 @@
         display_size: Sao.config.display_size,
         init: function(view_id, screen, xml, children_field) {
             this.children_field = children_field;
-            this.optionals = [];
+            this.optionals = {};
             this.sum_widgets = new Map();
             this.columns = [];
             this.selection_mode = (screen.attributes.selection_mode ||
@@ -254,7 +255,7 @@
             this.set_drag_and_drop();
 
             th = this.thead.find('th').first();
-            if (this.optionals.length) {
+            if (!jQuery.isEmptyObject(this.optionals)) {
                 th.addClass('optional');
             }
             var menu = jQuery('<ul/>', {
@@ -283,15 +284,19 @@
         },
         tree_menu: function(evt) {
             const toggle = evt => {
-                var column = evt.data;
-                column.set_visible(jQuery(evt.delegateTarget).prop('checked'));
+                let columns = evt.data;
+                let visible = jQuery(evt.delegateTarget).prop('checked');
+                columns.forEach(c => c.set_visible(visible));
                 this.save_optional();
                 this.display();
                 this.update_visible();
             };
             var menu = evt.data;
             menu.empty();
-            for (const optional of this.optionals) {
+            for (let columns of Object.values(this.optionals)) {
+                let visible = columns.some(c => c.get_visible());
+                let string = [...new Set(columns.map(c => c.attributes.string))]
+                    .join(' / ');
                 menu.append(jQuery('<li/>', {
                     'role': 'presentation',
                 }).append(jQuery('<a/>', {
@@ -300,11 +305,11 @@
                     'class': 'checkbox',
                 }).append(jQuery('<input/>', {
                     'type': 'checkbox',
-                    'checked': optional.get_visible(),
-                }).change(optional, toggle))
-                    .append(' ' + optional.attributes.string))));
+                    'checked': visible,
+                }).change(columns, toggle))
+                    .append(' ' + string))));
             }
-            if (this.optionals.length) {
+            if (!jQuery.isEmptyObject(this.optionals)) {
                 menu.append(jQuery('<li/>', {
                     'role': 'separator',
                     'class': 'divider hidden-xs',
@@ -331,12 +336,12 @@
                 })));
         },
         save_optional: function(store=true) {
-            if (!this.optionals.length) {
+            if (jQuery.isEmptyObject(this.optionals)) {
                 return;
             }
             var fields = {};
-            for (const column of this.optionals) {
-                fields[column.attributes.name] = !column.get_visible();
+            for (let [name, columns] of Object.entries(this.optionals)) {
+                fields[name] = columns.every(c => !c.get_visible());
             }
             if (store) {
                 var tree_optional_model = new Sao.Model(
@@ -1510,7 +1515,7 @@
                 td.addClass('draggable-handle');
                 td.append(Sao.common.ICONFACTORY.get_icon_img('tryton-drag'));
             }
-            if (this.tree.optionals.length) {
+            if (!jQuery.isEmptyObject(this.tree.optionals)) {
                 td.addClass('optional');
             }
             this.el.append(td);
diff --git a/tryton/tryton/gui/window/view_form/view/list.py b/tryton/tryton/gui/window/view_form/view/list.py
index d2b0b06f96..6d51fb818f 100644
--- a/tryton/tryton/gui/window/view_form/view/list.py
+++ b/tryton/tryton/gui/window/view_form/view/list.py
@@ -5,6 +5,7 @@ import gettext
 import json
 import locale
 import sys
+from collections import defaultdict
 from functools import wraps
 from io import StringIO
 
@@ -336,7 +337,7 @@ class TreeXMLViewParser(XMLViewParser):
         self.view.treeview.append_column(column)
 
         if 'optional' in attributes:
-            self.view.optionals.append(column)
+            self.view.optionals[column.name].append(column)
 
     def _parse_button(self, node, attributes):
         button = Button(self.view, attributes)
@@ -437,7 +438,7 @@ class ViewTree(View):
 
     def __init__(self, view_id, screen, xml, children_field):
         self.children_field = children_field
-        self.optionals = []
+        self.optionals = defaultdict(list)
         self.sum_widgets = []
         self.sum_box = Gtk.HBox()
         self.treeview = None
@@ -521,21 +522,27 @@ class ViewTree(View):
             self.treeview.append_column(column)
 
     def optional_menu(self, column):
-        def toggle(menuitem, column):
-            column.set_visible(menuitem.get_active())
+        def toggle(menuitem, columns):
+            visible = menuitem.get_active()
+            for column in columns:
+                column.set_visible(visible)
             self.save_optional()
 
         widget = column.get_widget()
         menu = Gtk.Menu()
-        for optional in self.optionals:
-            menuitem = Gtk.CheckMenuItem(label=optional.get_title())
-            menuitem.set_active(optional.get_visible())
-            menuitem.connect('toggled', toggle, optional)
+        for name, columns in self.optionals.items():
+            visible = any(c.get_visible() for c in columns)
+            title = ' / '.join({c.get_title() for c in columns})
+            menuitem = Gtk.CheckMenuItem(label=title)
+            menuitem.set_active(visible)
+            menuitem.connect('toggled', toggle, columns)
             menu.add(menuitem)
         popup(menu, widget)
 
     def save_optional(self):
-        fields = {c.name: not c.get_visible() for c in self.optionals}
+        fields = {}
+        for name, columns in self.optionals.items():
+            fields[name] = all(not c.get_visible() for c in columns)
         try:
             RPCExecute(
                 'model', 'ir.ui.view_tree_optional', 'set_optional',