diff --git a/xpfe/browser/resources/locale/en-US/navigator.properties b/xpfe/browser/resources/locale/en-US/navigator.properties
index 5999c1450783..8d131826fc5b 100644
--- a/xpfe/browser/resources/locale/en-US/navigator.properties
+++ b/xpfe/browser/resources/locale/en-US/navigator.properties
@@ -22,7 +22,7 @@ intl.accept_languages=en-us, en
 intl.charsetmenu.browser.static=iso-8859-1
 intl.charsetmenu.browser.more1=iso-8859-1, iso-8859-15, ibm850, x-mac-roman, windows-1252, iso-8859-14, iso-8859-7, x-mac-greek, windows-1253, x-mac-icelandic, iso-8859-10, iso-8859-3
 intl.charsetmenu.browser.more2=iso-8859-4, iso-8859-13, windows-1257, ibm852, iso-8859-2, x-mac-ce, windows-1250, x-mac-croatian, ibm855, iso-8859-5, iso-ir-111, koi8-r, x-mac-cyrillic, windows-1251, ibm866, koi8-u, x-mac-ukrainian, iso-8859-16, x-mac-romanian
-intl.charsetmenu.browser.more3=gb2312, x-gbk, gb18030, hz-gb-2312, big5, big5-hkscs, x-euc-tw, euc-jp, iso-2022-jp, shift_jis, euc-kr, x-windows-949, x-johab, iso-2022-kr
+intl.charsetmenu.browser.more3=gb2312, x-gbk, gb18030, hz-gb-2312, iso-2022-cn, big5, big5-hkscs, x-euc-tw, euc-jp, iso-2022-jp, shift_jis, euc-kr, x-windows-949, x-johab, iso-2022-kr
 intl.charsetmenu.browser.more4=armscii-8, geostd8, tis-620, ibm857, iso-8859-9, x-mac-turkish, windows-1254, x-viet-tcvn5712, viscii, x-viet-vps, windows-1258, x-mac-devanagari, x-mac-gujarati, x-mac-gurmukhi
 intl.charsetmenu.browser.more5=iso-8859-6, windows-1256, ibm864, x-mac-arabic, x-mac-farsi, iso-8859-8-i, windows-1255, iso-8859-8, ibm862, x-mac-hebrew
 intl.charset.default=ISO-8859-1