diff --git a/config/config.ini.example b/config/config.ini.example
index e4abce3..d4cfc42 100644
--- a/config/config.ini.example
+++ b/config/config.ini.example
@@ -7,8 +7,8 @@ timezone = "Asia/Jakarta"
 ; Date format. See: https://www.php.net/manual/en/function.strftime
 date.format = "%d %B %Y"
 
-; Your language (currently only "en" for English or "de" for German)
-language = "en"
+; Your language (example "en_US" for English or "de_DE" for German. See lang directory for available language)
+language = "en_US"
 
 ; Blog info
 blog.title = "HTMLy"
diff --git a/lang/de.ini b/lang/de_DE.ini
similarity index 100%
rename from lang/de.ini
rename to lang/de_DE.ini
diff --git a/lang/en.ini b/lang/en_US.ini
similarity index 100%
rename from lang/en.ini
rename to lang/en_US.ini
diff --git a/lang/es.ini b/lang/es_ES.ini
similarity index 100%
rename from lang/es.ini
rename to lang/es_ES.ini
diff --git a/lang/fr.ini b/lang/fr_FR.ini
similarity index 100%
rename from lang/fr.ini
rename to lang/fr_FR.ini
diff --git a/lang/it.ini b/lang/it_IT.ini
similarity index 100%
rename from lang/it.ini
rename to lang/it_IT.ini
diff --git a/lang/pl.ini b/lang/pl_PL.ini
similarity index 100%
rename from lang/pl.ini
rename to lang/pl_PL.ini
diff --git a/lang/ru.ini b/lang/ru_RU.ini
similarity index 100%
rename from lang/ru.ini
rename to lang/ru_RU.ini
diff --git a/lang/sv.ini b/lang/sv_SE.ini
similarity index 100%
rename from lang/sv.ini
rename to lang/sv_SE.ini
diff --git a/lang/tr.ini b/lang/tr_TR.ini
similarity index 100%
rename from lang/tr.ini
rename to lang/tr_TR.ini
diff --git a/lang/zh-tw.ini b/lang/zh_TW.ini
similarity index 100%
rename from lang/zh-tw.ini
rename to lang/zh_TW.ini
diff --git a/system/includes/functions.php b/system/includes/functions.php
index afb1c67..e11b404 100644
--- a/system/includes/functions.php
+++ b/system/includes/functions.php
@@ -3216,24 +3216,12 @@ function get_language()
     $local = $langID;
 
     // Settings for the language
-    if (!isset($langID) || config('language') === 'en' || !file_exists($langFile)) {
-    if (!isset($langID) || config('language') === 'en') {
-        i18n('source', 'lang/en.ini'); // Load the English language file
-        setlocale(LC_ALL, 'en_US', 'en_US.utf8', 'English'); // Change locale to English
+    if (!isset($langID) || config('language') === 'en' || config('language') === 'en_US' || !file_exists($langFile)) {
+        i18n('source', 'lang/en_US.ini'); // Load the English language file
+        setlocale(LC_ALL, 'en_US.utf8'); // Change locale to English
     } else {
         i18n('source', $langFile);
-
-        // Locales are known under different names on different systems; I don't know any other way
-        // to handle this than to add a list of locale names for each language.
-        if ($langID === 'de') {
-            setlocale(LC_ALL, 'de_DE', 'de_DE.utf8', 'German');
-        }
-        elseif ($langID === 'sv') {
-            setlocale(LC_ALL,  'sv_SE', 'sv_SE.utf8', 'Swedish');
-        }
-        elseif ($langID === 'pl') {
-            setlocale(LC_ALL,  'pl_PL', 'pl_PL.utf8', 'Polish');
-        }
+        setlocale(LC_ALL, $local . '.utf8');
     }
 
 }