diff --git a/addons/base/static/src/js/form.js b/addons/base/static/src/js/form.js
index 1b6fcb15328..1af082df822 100644
--- a/addons/base/static/src/js/form.js
+++ b/addons/base/static/src/js/form.js
@@ -409,6 +409,7 @@ openerp.base.form.Field = openerp.base.form.Widget.extend({
     },
     set_value: function(value) {
         this.value = value;
+        this.invalid = false;
     },
     get_value: function() {
         return this.value;