diff --git a/addons/base/static/src/js/form.js b/addons/base/static/src/js/form.js
index b1e05c725f1..3fd50f86c7c 100644
--- a/addons/base/static/src/js/form.js
+++ b/addons/base/static/src/js/form.js
@@ -228,6 +228,7 @@ openerp.base.FormView =  openerp.base.View.extend( /** @lends openerp.base.FormV
                     if (field.get_value() != value) {
                         console.log("          |-> Onchange Action :  change '%s' value from '%s' to '%s'", field.name, field.get_value(), value);
                         field.set_value(value);
+                        field.touched = true;
                         if (_.indexOf(processed, field.name) < 0) {
                             this.do_onchange(field, processed);
                         }