diff --git a/mozilla/mailnews/compose/src/nsMsgSendPart.cpp b/mozilla/mailnews/compose/src/nsMsgSendPart.cpp
index 0ea2f08e3ef..41d3e76bc8d 100644
--- a/mozilla/mailnews/compose/src/nsMsgSendPart.cpp
+++ b/mozilla/mailnews/compose/src/nsMsgSendPart.cpp
@@ -488,7 +488,8 @@ nsMsgSendPart::Write()
   if ( (m_parent) &&
        (m_numchildren == 0) &&
        ( (!m_buffer) || (!*m_buffer) ) &&
-       (!m_filespec) )
+       (!m_filespec) &&
+       (!m_mainpart) )
     return SKIP_EMPTY_PART;
 
   if (m_mainpart && m_type && PL_strcmp(m_type, TEXT_HTML) == 0)