diff --git a/product/ERP5/tests/testXHTML.py b/product/ERP5/tests/testXHTML.py
index a30406d70a31650c05f6db239e4dc81c6f286fbc..f89eb7ec330f65f54f4158f2084c06b4bfb71498 100644
--- a/product/ERP5/tests/testXHTML.py
+++ b/product/ERP5/tests/testXHTML.py
@@ -142,6 +142,8 @@ def validate_xhtml(source):
     if len(data) >= 2:
       if data[1].startswith('Error: '):
         return False
+      elif data[1].startswith('Warning: '):
+        return False
   return True