diff --git a/data/localized_name.txt b/data/localized_name.txt
index dec91b597..51fc626ec 100644
--- a/data/localized_name.txt
+++ b/data/localized_name.txt
@@ -140,6 +140,7 @@ mk=Македонски
 mk_MK=0
 ml=മലയാളം
 mn=Монгол
+mn_MN=Монгол
 mr=मराठी
 ms=Bahasa Melayu
 ms_MY=0
@@ -165,6 +166,7 @@ os=0
 pa=ਪੰਜਾਬੀ
 pl=Polski
 pl_PL=0
+pms=Piemontèis
 ps=پښتو
 pt=Português
 pt_BR=0
@@ -177,6 +179,8 @@ ru=Русский
 ru_RU=0
 rw=Kinyarwanda
 sa=0
+sc=sardu
+sco=0
 sd=0
 se=Sámegiella
 se_NO=0
diff --git a/src/tinygettext/language.cpp b/src/tinygettext/language.cpp
index 35fc88e83..f64e31038 100644
--- a/src/tinygettext/language.cpp
+++ b/src/tinygettext/language.cpp
@@ -164,6 +164,7 @@ static const LanguageSpec languages[] = {
   { "iu", 0,    0, "Inuktitut"                   },
   { "ja", 0,    0, "Japanese"                    },
   { "ja", "JP", 0, "Japanese (Japan)"            },
+  { "jbo",0,    0, "Lojban"                      },
   { "ka", 0,    0, "Georgian"                    },
   { "kk", 0,    0, "Kazakh"                      },
   { "kl", 0,    0, "Kalaallisut"                 },
@@ -188,6 +189,7 @@ static const LanguageSpec languages[] = {
   { "mk", "MK", 0, "Macedonian (Macedonia)"      },
   { "ml", 0,    0, "Malayalam"                   },
   { "mn", 0,    0, "Mongolian"                   },
+  { "mn", "MN", 0, "Mongolian (Mongolia)"        },
   { "mr", 0,    0, "Marathi"                     },
   { "ms", 0,    0, "Malay"                       },
   { "ms", "MY", 0, "Malay (Malaysia)"            },
@@ -214,6 +216,7 @@ static const LanguageSpec languages[] = {
   { "pa", 0,    0, "Punjabi"                     },
   { "pl", 0,    0, "Polish"                      },
   { "pl", "PL", 0, "Polish (Poland)"             },
+  { "pms",0,    0, "Piedmontese"                 },
   { "ps", 0,    0, "Pashto"                      },
   { "pt", 0,    0, "Portuguese"                  },
   { "pt", "BR", 0, "Portuguese (Brazil)"         },
@@ -226,6 +229,8 @@ static const LanguageSpec languages[] = {
   { "ru", "RU", 0, "Russian (Russia"             },
   { "rw", 0,    0, "Kinyarwanda"                 },
   { "sa", 0,    0, "Sanskrit"                    },
+  { "sc", 0,    0, "Sardinian"                   },
+  { "sco",0,    0, "Scots"                       },
   { "sd", 0,    0, "Sindhi"                      },
   { "se", 0,    0, "Sami"                        },
   { "se", "NO", 0, "Sami (Norway)"               },