diff --git a/src/PhoneInput/constants.ts b/src/PhoneInput/constants.ts
index f285274..ed9d712 100644
--- a/src/PhoneInput/constants.ts
+++ b/src/PhoneInput/constants.ts
@@ -619,7 +619,7 @@ export const MASK_PER_COUNTRY: Partial<{
   MR: [/\d/, /\d/, '-', /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
   MU: [/\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
   YT: [/\d/, /\d/, /\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
-  MX: [/\d/, /\d/, '-', /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
+  MX: [/\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
   FM: [/\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
   MD: [/\d/, /\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/, /\d/],
   MC: [/\d/, /\d/, '-', /\d/, /\d/, /\d/, '-', /\d/, /\d/, /\d/],