diff --git a/addons/web/static/src/js/views/form_widgets.js b/addons/web/static/src/js/views/form_widgets.js
index 5e92ca2e116..30a4700e766 100644
--- a/addons/web/static/src/js/views/form_widgets.js
+++ b/addons/web/static/src/js/views/form_widgets.js
@@ -1020,7 +1020,7 @@ var FieldRadio = common.AbstractField.extend(common.ReinitializeFieldMixin, {
     },
     get_value: function () {
         var value = this.get('value');
-        return value instanceof Array ? value[0] : value;
+        return ((value instanceof Array)? value[0] : value) || false;
     },
     render_value: function () {
         var self = this;