diff --git a/i18nlangtag/source/isolang/isolang.cxx b/i18nlangtag/source/isolang/isolang.cxx
index 8f291d6dab08..c830673086c3 100644
--- a/i18nlangtag/source/isolang/isolang.cxx
+++ b/i18nlangtag/source/isolang/isolang.cxx
@@ -305,6 +305,7 @@ static MsLangId::IsoLangEntry const aImplIsoLangEntries[] =
     { LANGUAGE_USER_SWAHILI_TANZANIA,       "sw", "TZ" },
     { LANGUAGE_TAJIK,                       "tg", "TJ" },
     { LANGUAGE_TIBETAN,                     "bo", "CN" },   // CN politically correct?
+    { LANGUAGE_USER_TIBETAN_INDIA,          "bo", "IN" },
     { LANGUAGE_DZONGKHA,                    "dz", "BT" },
     { LANGUAGE_TURKMEN,                     "tk", "TM" },
     { LANGUAGE_WELSH,                       "cy", "GB" },
diff --git a/i18nlangtag/source/isolang/mslangid.cxx b/i18nlangtag/source/isolang/mslangid.cxx
index 34c017b7c26a..08e618ec64ec 100644
--- a/i18nlangtag/source/isolang/mslangid.cxx
+++ b/i18nlangtag/source/isolang/mslangid.cxx
@@ -382,6 +382,7 @@ sal_Int16 MsLangId::getScriptType( LanguageType nLang )
         case LANGUAGE_THAI:
         case LANGUAGE_TIBETAN:
         case LANGUAGE_DZONGKHA:
+        case LANGUAGE_USER_TIBETAN_INDIA:
         case LANGUAGE_URDU:
         case LANGUAGE_URDU_PAKISTAN:
         case LANGUAGE_URDU_INDIA:
diff --git a/include/i18nlangtag/lang.h b/include/i18nlangtag/lang.h
index dcf7d536a9df..53724c9df9d6 100644
--- a/include/i18nlangtag/lang.h
+++ b/include/i18nlangtag/lang.h
@@ -556,6 +556,7 @@ typedef unsigned short LanguageType;
 #define LANGUAGE_USER_SIDAMA                0x0685
 #define LANGUAGE_USER_NKO                   0x0686
 #define LANGUAGE_USER_UDMURT                0x0687
+#define LANGUAGE_USER_TIBETAN_INDIA         0x8051  /* makeLangID( 0x20, getPrimaryLanguage( LANGUAGE_TIBETAN)) */
 
 #define LANGUAGE_USER_PRIV_JOKER            0xFFEB  /* privateuse "*" (sic! bad! nasty!), primary 0x3eb, sub 0x3f */
 #define LANGUAGE_USER_PRIV_COMMENT          0xFFEC  /* privateuse "x-comment", primary 0x3ec, sub 0x3f */
diff --git a/svtools/source/misc/langtab.src b/svtools/source/misc/langtab.src
index 849a803f7097..f85ef6a1ad8f 100644
--- a/svtools/source/misc/langtab.src
+++ b/svtools/source/misc/langtab.src
@@ -362,6 +362,7 @@ StringArray STR_ARR_SVT_LANGUAGE_TABLE
         < "Yombe (Congo)" ; LANGUAGE_USER_YOMBE_CONGO ; > ;
         < "N'ko" ; LANGUAGE_USER_NKO ; > ;
         < "Udmurt" ; LANGUAGE_USER_UDMURT ; > ;
+        < "Tibetan (India)" ; LANGUAGE_USER_TIBETAN_INDIA ; > ;
     };
 };