1 files changed, 2 insertions, 2 deletions
diff --git a/addons/web/static/src/js/fields/field_utils.js b/addons/web/static/src/js/fields/field_utils.js
index aabf5e2ae95..0606af0d662 100644
--- a/addons/web/static/src/js/fields/field_utils.js
+++ b/addons/web/static/src/js/fields/field_utils.js
@@ -347,7 +347,7 @@ function parseDate(value, field, options) {
         }
         if (date.year() >= 1900) {
             date.toJSON = function () {
-                return this.format('YYYY-MM-DD');
+                return this.clone().locale('en').format('YYYY-MM-DD');
             };
             return date;
         }
@@ -394,7 +394,7 @@ function parseDateTime(value, field, options) {
         }
         if (datetime.year() >= 1900) {
             datetime.toJSON = function () {
-                return this.format('YYYY-MM-DD HH:mm:ss');
+                return this.clone().locale('en').format('YYYY-MM-DD HH:mm:ss');
             };
             return datetime;
         }