diff --git a/lingui.config.ts b/lingui.config.ts
index 233b4f19..d713e389 100644
--- a/lingui.config.ts
+++ b/lingui.config.ts
@@ -30,8 +30,8 @@ export default defineConfig({
         'ta',
         'tr',
         'vi',
-        'zh_Hans',
-        'zh_Hant',
+        'zh-Hans',
+        'zh-Hant',
     ],
     catalogs: [
         {
diff --git a/src/base/IsoLanguages.ts b/src/base/IsoLanguages.ts
index a1203038..cf17b3c4 100644
--- a/src/base/IsoLanguages.ts
+++ b/src/base/IsoLanguages.ts
@@ -35,11 +35,11 @@ export const IsoLanguages: { [languageCode in I18nResourceCode]: ISOLanguage } &
     },
     'pt-br': PT_BR,
     'pt-BR': PT_BR,
-    zh_Hans: {
+    'zh-Hans': {
         name: 'Chinese (Simplified)',
         nativeName: '中文 (HANS)',
     },
-    zh_Hant: {
+    'zh-Hant': {
         name: 'Chinese (Traditional)',
         nativeName: '中文 (HANT)',
     },
diff --git a/src/i18n/index.ts b/src/i18n/index.ts
index 6a9c46e0..078cd3f2 100644
--- a/src/i18n/index.ts
+++ b/src/i18n/index.ts
@@ -34,8 +34,8 @@ export const i18nResources = [
     'ta',
     'tr',
     'vi',
-    'zh_Hans',
-    'zh_Hant',
+    'zh-Hans',
+    'zh-Hant',
 ] as const;
 
 export type I18nResourceCode = (typeof i18nResources)[number];
diff --git a/src/i18n/locales/zh_Hans.po b/src/i18n/locales/zh-Hans.po
similarity index 100%
rename from src/i18n/locales/zh_Hans.po
rename to src/i18n/locales/zh-Hans.po
diff --git a/src/i18n/locales/zh_Hant.po b/src/i18n/locales/zh-Hant.po
similarity index 100%
rename from src/i18n/locales/zh_Hant.po
rename to src/i18n/locales/zh-Hant.po