diff --git a/openerp/tools/mail.py b/openerp/tools/mail.py
index 9faae0815c5..0711aa982aa 100644
--- a/openerp/tools/mail.py
+++ b/openerp/tools/mail.py
@@ -131,7 +131,7 @@ def html_email_clean(html):
         return dest
 
     if not html:
-        return False
+        return html
 
     html = ustr(html)