diff --git a/src/locale/mm_MM.ts b/src/locale/my_MM.ts
similarity index 98%
rename from src/locale/mm_MM.ts
rename to src/locale/my_MM.ts
index 072e00b83..ea1cd4fbe 100644
--- a/src/locale/mm_MM.ts
+++ b/src/locale/my_MM.ts
@@ -1,7 +1,7 @@
 import type { Locale } from '../interface';
 
 const locale: Locale = {
-  locale: 'mm_MM',
+  locale: 'my_MM',
   today: 'ယနေ့',
   now: 'ယခု',
   backToToday: 'ယနေ့ မတိုင်ခင် သို့',