diff --git a/i18nlangtag/source/isolang/isolang.cxx b/i18nlangtag/source/isolang/isolang.cxx
index 70cf7d696f91..bbe0c47002b9 100644
--- a/i18nlangtag/source/isolang/isolang.cxx
+++ b/i18nlangtag/source/isolang/isolang.cxx
@@ -665,6 +665,7 @@ static IsoLanguageCountryEntry const aImplIsoLangEntries[] =
     { LANGUAGE_USER_FRENCH_MAURITIUS,       "fr", "MU", 0     },
     { LANGUAGE_USER_SILESIAN,              "szl", "PL", 0     },
     { LANGUAGE_USER_MANCHU,                "mnc", "CN", 0     },
+    { LANGUAGE_USER_SIBE,                  "nco", "PG", 0     },
     { LANGUAGE_MULTIPLE,                   "mul", ""  , 0     },    // multiple languages, many languages are used
     { LANGUAGE_UNDETERMINED,               "und", ""  , 0     },    // undetermined language, language cannot be identified
     { LANGUAGE_NONE,                       "zxx", ""  , 0     },    // added to ISO 639-2 on 2006-01-11: Used to declare the absence of linguistic information
diff --git a/include/i18nlangtag/lang.h b/include/i18nlangtag/lang.h
index fe4eacf5d742..3b39deea20f2 100644
--- a/include/i18nlangtag/lang.h
+++ b/include/i18nlangtag/lang.h
@@ -719,6 +719,7 @@ typedef unsigned short LanguageType;
 #define LANGUAGE_USER_SILESIAN              0x0699
 #define LANGUAGE_USER_HUNGARIAN_ROVAS       0x800E  /* makeLangID( 0x20, getPrimaryLanguage( LANGUAGE_HUNGARIAN)) */
 #define LANGUAGE_USER_MANCHU                0x069A
+#define LANGUAGE_USER_SIBE                  0x069B
 
 
 /* XXX Add new user defined LCIDs ^^^ there.
diff --git a/svtools/source/misc/langtab.src b/svtools/source/misc/langtab.src
index 6ff69e7629b5..cce48f4d7381 100644
--- a/svtools/source/misc/langtab.src
+++ b/svtools/source/misc/langtab.src
@@ -405,6 +405,7 @@ StringArray STR_ARR_SVT_LANGUAGE_TABLE
         < "Hungarian (Szekely-Hungarian Rovas)" ; LANGUAGE_USER_HUNGARIAN_ROVAS ; > ;
         < "English (Malaysia)" ; LANGUAGE_ENGLISH_MALAYSIA ; > ;
         < "Manchu" ; LANGUAGE_USER_MANCHU ; > ;
+        < "Sibe" ; LANGUAGE_USER_SIBE ; > ;
     };
 };