diff --git a/addons/point_of_sale/static/src/js/db.js b/addons/point_of_sale/static/src/js/db.js
index 8c61f5ff6ae..4fdaa652a82 100644
--- a/addons/point_of_sale/static/src/js/db.js
+++ b/addons/point_of_sale/static/src/js/db.js
@@ -255,10 +255,12 @@ var PosDB = core.Class.extend({
         for(var i = 0, len = partners.length; i < len; i++){
             partner = partners[i];
 
-            if (    this.partner_write_date && 
+            var local_partner_date = (this.partner_write_date || '').replace(/^(\d{4}-\d{2}-\d{2}) ((\d{2}:?){3})$/, '$1T$2Z');
+            var dist_partner_date = (partner.write_date || '').replace(/^(\d{4}-\d{2}-\d{2}) ((\d{2}:?){3})$/, '$1T$2Z');
+            if (    this.partner_write_date &&
                     this.partner_by_id[partner.id] &&
-                    new Date(this.partner_write_date).getTime() + 1000 >=
-                    new Date(partner.write_date).getTime() ) {
+                    new Date(local_partner_date).getTime() + 1000 >=
+                    new Date(dist_partner_date).getTime() ) {
                 // FIXME: The write_date is stored with milisec precision in the database
                 // but the dates we get back are only precise to the second. This means when
                 // you read partners modified strictly after time X, you get back partners that were