diff --git a/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.cpp b/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.cpp
index 1468282fe45..f566d94c588 100644
--- a/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.cpp
+++ b/mozilla/intl/locale/src/mac/nsDateTimeFormatMac.cpp
@@ -43,6 +43,7 @@ static NS_DEFINE_IID(kIDateTimeFormatIID, NS_IDATETIMEFORMAT_IID);
 static NS_DEFINE_CID(kMacLocaleFactoryCID, NS_MACLOCALEFACTORY_CID);
 static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
 static NS_DEFINE_CID(kLocaleServiceCID, NS_LOCALESERVICE_CID); 
+static NS_DEFINE_CID(kPlatformCharsetCID, NS_PLATFORMCHARSET_CID);
 
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/mozilla/intl/locale/src/windows/nsDateTimeFormatWin.cpp b/mozilla/intl/locale/src/windows/nsDateTimeFormatWin.cpp
index 0cd79eb091f..a68d1e34c7a 100644
--- a/mozilla/intl/locale/src/windows/nsDateTimeFormatWin.cpp
+++ b/mozilla/intl/locale/src/windows/nsDateTimeFormatWin.cpp
@@ -44,6 +44,7 @@ static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CI
 static NS_DEFINE_IID(kICharsetConverterManagerIID, NS_ICHARSETCONVERTERMANAGER_IID);
 
 static NS_DEFINE_CID(kLocaleServiceCID, NS_LOCALESERVICE_CID); 
+static NS_DEFINE_CID(kPlatformCharsetCID, NS_PLATFORMCHARSET_CID);
 
 NS_IMPL_ISUPPORTS(nsDateTimeFormatWin, kIDateTimeFormatIID);