diff --git a/mozilla/mailnews/db/msgdb/src/nsMsgDatabase.cpp b/mozilla/mailnews/db/msgdb/src/nsMsgDatabase.cpp
index ea1e2ac1b7f..62b97bc966e 100644
--- a/mozilla/mailnews/db/msgdb/src/nsMsgDatabase.cpp
+++ b/mozilla/mailnews/db/msgdb/src/nsMsgDatabase.cpp
@@ -34,6 +34,7 @@
 
 #include "nsILocale.h"
 #include "nsLocaleCID.h"
+#include "nsMsgMimeCID.h"
 #include "nsILocaleFactory.h"
 
 static NS_DEFINE_CID(kCMorkFactory, NS_MORK_CID);
diff --git a/mozilla/mailnews/db/msgdb/src/nsMsgHdr.cpp b/mozilla/mailnews/db/msgdb/src/nsMsgHdr.cpp
index 3bc3944f6be..129d9f90db2 100644
--- a/mozilla/mailnews/db/msgdb/src/nsMsgHdr.cpp
+++ b/mozilla/mailnews/db/msgdb/src/nsMsgHdr.cpp
@@ -21,6 +21,7 @@
 #include "nsMsgDatabase.h"
 #include "nsMsgUtils.h"
 #include "nsIMsgHeaderParser.h"
+#include "nsMsgMimeCID.h"
 #include "nsIMimeConverter.h"
 
 NS_IMPL_ISUPPORTS(nsMsgHdr, nsIMsgDBHdr::GetIID())