diff --git a/addons/website_sale/controllers/main.py b/addons/website_sale/controllers/main.py
index 81a3d0557bf..2dadc53573e 100644
--- a/addons/website_sale/controllers/main.py
+++ b/addons/website_sale/controllers/main.py
@@ -4,6 +4,7 @@ import werkzeug
 
 from openerp import SUPERUSER_ID
 from openerp import http
+from openerp import tools
 from openerp.http import request
 from openerp.tools.translate import _
 from openerp.addons.website.models.website import slug
@@ -533,6 +534,10 @@ class website_sale(http.Controller):
             if not data.get(field_name):
                 error[field_name] = 'missing'
 
+        # email validation
+        if data.get('email') and not tools.single_email_re.match(data.get('email')):
+            error["email"] = 'error'
+
         if data.get("vat") and hasattr(registry["res.partner"], "check_vat"):
             if request.website.company_id.vat_check_vies:
                 # force full VIES online check