diff --git a/src/plugins/i18n.ts b/src/plugins/i18n.ts
index 008bd03dc9e..3498873c953 100644
--- a/src/plugins/i18n.ts
+++ b/src/plugins/i18n.ts
@@ -171,7 +171,7 @@ export async function initI18n(): Promise<void> {
   i18next.use(new KoreanPostpositionProcessor());
   await i18next.init({
     fallbackLng: "en",
-    supportedLngs: ["en", "es-ES", "fr", "it", "de", "zh-CN", "zh-TW", "pt-BR", "ko", "ja", "ca-ES"],
+    supportedLngs: ["en", "es-ES", "es-MX", "fr", "it", "de", "zh-CN", "zh-TW", "pt-BR", "ko", "ja", "ca-ES"],
     backend: {
       loadPath(lng: string, [ns]: string[]) {
         let fileName: string;