diff --git a/mozilla/mailnews/db/msgdb/public/nsIDBFolderInfo.idl b/mozilla/mailnews/db/msgdb/public/nsIDBFolderInfo.idl
index 07c638786d4..bfaf94d5f06 100644
--- a/mozilla/mailnews/db/msgdb/public/nsIDBFolderInfo.idl
+++ b/mozilla/mailnews/db/msgdb/public/nsIDBFolderInfo.idl
@@ -45,6 +45,8 @@ interface  nsIDBFolderInfo : nsISupports {
 	void ChangeNumVisibleMessages(in long delta);
 	attribute long NumNewMessages;
 	attribute long NumMessages;
+
+	attribute long expungedBytes;
 	attribute long NumVisibleMessages;
 	attribute long ImapUidValidity;
 	attribute unsigned long Version;
diff --git a/mozilla/mailnews/db/msgdb/src/nsDBFolderInfo.cpp b/mozilla/mailnews/db/msgdb/src/nsDBFolderInfo.cpp
index 2e9466aa490..20b2e97b5fd 100644
--- a/mozilla/mailnews/db/msgdb/src/nsDBFolderInfo.cpp
+++ b/mozilla/mailnews/db/msgdb/src/nsDBFolderInfo.cpp
@@ -253,6 +253,7 @@ nsresult nsDBFolderInfo::LoadMemberVariables()
 	GetInt32PropertyWithToken(m_folderDateColumnToken, (PRInt32 &) m_folderDate);
 	GetInt32PropertyWithToken(m_imapUidValidityColumnToken, m_ImapUidValidity);
 	GetInt32PropertyWithToken(m_expiredMarkColumnToken, (PRInt32 &) m_expiredMark);
+	GetInt32PropertyWithToken(m_expungedBytesColumnToken, (PRInt32 &) m_expungedBytes);
 
 	PRInt32 version;
 
@@ -340,8 +341,7 @@ NS_IMETHODIMP	nsDBFolderInfo::GetExpiredMark(nsMsgKey *result)
 NS_IMETHODIMP
 nsDBFolderInfo::ChangeExpungedBytes(PRInt32 delta)
 {
-    m_expungedBytes += delta;
-    return NS_OK;
+    return SetExpungedBytes(m_expungedBytes + delta);
 }
 
 PRBool nsDBFolderInfo::AddLaterKey(nsMsgKey key, PRTime until)
@@ -472,6 +472,19 @@ NS_IMETHODIMP	nsDBFolderInfo::SetNumVisibleMessages(PRInt32 numVisibleMessages)
 	return SetUint32PropertyWithToken(m_numVisibleMessagesColumnToken, m_numVisibleMessages);
 }
 
+NS_IMETHODIMP nsDBFolderInfo::GetExpungedBytes(PRInt32 *result) 
+{
+	*result = m_expungedBytes;
+	return NS_OK;
+}
+
+NS_IMETHODIMP	nsDBFolderInfo::SetExpungedBytes(PRInt32 expungedBytes) 
+{
+	m_expungedBytes = expungedBytes;
+	return SetUint32PropertyWithToken(m_expungedBytesColumnToken, m_expungedBytes);
+}
+
+
 NS_IMETHODIMP	nsDBFolderInfo::GetFlags(PRInt32 *result)
 {
 	*result = m_flags;