diff --git a/openerp/tests/test_mail.py b/openerp/tests/test_mail.py
index 36d49e34997..3e822cb190e 100755
--- a/openerp/tests/test_mail.py
+++ b/openerp/tests/test_mail.py
@@ -82,12 +82,8 @@ class TestSanitizer(unittest2.TestCase):
             self.assertNotIn('javascript', html, 'html_sanitize did not remove a malicious javascript')
             self.assertTrue('ha.ckers.org' not in html or 'http://ha.ckers.org/xss.css' in html, 'html_sanitize did not remove a malicious code in %s (%s)' % (content, html))
 
-        # Raise an exception if the node is an empty string without any root tag
-        with self.assertRaises(etree.ParserError):
-            content = "<!--[if gte IE 4]><SCRIPT>alert('XSS');</SCRIPT><![endif]-->"  # down-level hidden block
-            html = html_sanitize(content, silent=False)
-
-
+        content = "<!--[if gte IE 4]><SCRIPT>alert('XSS');</SCRIPT><![endif]-->"  # down-level hidden block
+        self.assertEquals(html_sanitize(content, silent=False), '')
 
     def test_html(self):
         sanitized_html = html_sanitize(test_mail_examples.MISC_HTML_SOURCE)