diff --git a/mozilla/mailnews/imap/src/nsImapMessage.cpp b/mozilla/mailnews/imap/src/nsImapMessage.cpp
index 75cb1c137e4..2b0ccea6120 100644
--- a/mozilla/mailnews/imap/src/nsImapMessage.cpp
+++ b/mozilla/mailnews/imap/src/nsImapMessage.cpp
@@ -37,7 +37,7 @@ nsImapMessage::~nsImapMessage(void)
 {
 }
 
-NS_IMPL_ISUPPORTS_INHERITED(nsImapMessage, nsMessage, nsIMessage)
+NS_IMPL_ISUPPORTS_INHERITED(nsImapMessage, nsMessage, nsIDBMessage)
 
 NS_IMETHODIMP nsImapMessage::GetMsgFolder(nsIMsgFolder **folder)
 {
diff --git a/mozilla/mailnews/news/src/nsNewsMessage.cpp b/mozilla/mailnews/news/src/nsNewsMessage.cpp
index 51ff5c04dc8..db6ed467a3b 100644
--- a/mozilla/mailnews/news/src/nsNewsMessage.cpp
+++ b/mozilla/mailnews/news/src/nsNewsMessage.cpp
@@ -37,7 +37,7 @@ nsNewsMessage::~nsNewsMessage(void)
 {
 }
 
-NS_IMPL_ISUPPORTS_INHERITED(nsNewsMessage, nsMessage, nsIMessage)
+NS_IMPL_ISUPPORTS_INHERITED(nsNewsMessage, nsMessage, nsIDBMessage)
 
 NS_IMETHODIMP nsNewsMessage::GetMsgFolder(nsIMsgFolder **folder)
 {