diff --git a/tests/test_LdapCherry.py b/tests/test_LdapCherry.py
index 2fc18c9..1c5066a 100644
--- a/tests/test_LdapCherry.py
+++ b/tests/test_LdapCherry.py
@@ -97,6 +97,7 @@ def _is_html_error(line):
                 r'.*Warning: <script> inserting "type" attribute.*',
                 r'.*Warning: <input> attribute "id" has invalid value.*',
                 r'.*Warning: <a> proprietary attribute.*',
+                r'.*Warning: <input> attribute "type" has invalid value.*',
              ]:
         if re.match(p, line):
             return False