diff --git a/src/main/java/fr/xephi/authme/settings/properties/PluginSettings.java b/src/main/java/fr/xephi/authme/settings/properties/PluginSettings.java
index 2859a509..7a98862a 100644
--- a/src/main/java/fr/xephi/authme/settings/properties/PluginSettings.java
+++ b/src/main/java/fr/xephi/authme/settings/properties/PluginSettings.java
@@ -5,6 +5,9 @@ import ch.jalu.configme.SettingsHolder;
 import ch.jalu.configme.properties.Property;
 import fr.xephi.authme.output.LogLevel;
 
+import java.util.Set;
+
+import static ch.jalu.configme.properties.PropertyInitializer.newLowercaseStringSetProperty;
 import static ch.jalu.configme.properties.PropertyInitializer.newProperty;
 
 public final class PluginSettings implements SettingsHolder {
@@ -23,6 +26,18 @@ public final class PluginSettings implements SettingsHolder {
     public static final Property<Boolean> I18N_MESSAGES =
         newProperty("3rdPartyFeature.features.i18nMessages.enabled", false);
 
+    @Comment({"Redirect locale code to certain AuthMe language code as you want",
+        "Minecraft locale list: https://minecraft.wiki/w/Language",
+        "AuthMe language code: https://github.com/HaHaWTH/AuthMeReReloaded/blob/master/docs/translations.md",
+        "For example, if you want to show Russian messages to player using language Tatar(tt_ru),",
+        "and show Chinese Simplified messages to player using language Classical Chinese(lzh), then:",
+        "locale-code-redirect:",
+        "- 'tt_ru:ru'",
+        "- 'lzh:zhcn'"})
+    public static final Property<Set<String>> I18N_CODE_REDIRECT =
+        newLowercaseStringSetProperty("3rdPartyFeature.features.i18nMessages.locale-code-redirect",
+            "tt_ru:ru", "lzh:zhcn");
+
     @Comment({
         "Do you want to enable the session feature?",
         "If enabled, when a player authenticates successfully,",
diff --git a/src/main/java/fr/xephi/authme/util/PlayerUtils.java b/src/main/java/fr/xephi/authme/util/PlayerUtils.java
index 9f1b100f..57114ab8 100644
--- a/src/main/java/fr/xephi/authme/util/PlayerUtils.java
+++ b/src/main/java/fr/xephi/authme/util/PlayerUtils.java
@@ -52,14 +52,14 @@ public final class PlayerUtils {
         if (sender instanceof Player) {
             Player player = (Player) sender;
             if (Utils.majorVersion >= 12) {
-                locale = player.getLocale();
+                locale = player.getLocale().toLowerCase();
             } else {
                 try {
                     Method spigotMethod = player.getClass().getMethod("spigot");
                     Object spigot = spigotMethod.invoke(player);
 
                     Method spigotGetLocaleMethod = spigot.getClass().getMethod("getLocale");
-                    locale = (String) spigotGetLocaleMethod.invoke(spigot);
+                    locale = ((String) spigotGetLocaleMethod.invoke(spigot)).toLowerCase();
                 } catch (Exception ignored) {
                 }
             }
@@ -76,7 +76,15 @@ public final class PlayerUtils {
      * @param settings The AuthMe settings, for default/fallback language usage.
      */
     public static String LocaleToCode(String locale, Settings settings) {
-        locale = locale.toLowerCase();
+        if (!settings.getProperty(PluginSettings.I18N_CODE_REDIRECT).isEmpty()) {
+            for (String raw : settings.getProperty(PluginSettings.I18N_CODE_REDIRECT)) {
+                String[] split = raw.split(":");
+
+                if (locale.equalsIgnoreCase(split[0])) {
+                    return split[1];
+                }
+            }
+        }
 
         switch (locale) {
             case "pt_br":