diff --git a/.editorconfig b/.editorconfig
index c14889663d5e..85ebb7a55bcf 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -47,7 +47,7 @@ indent_size = 2
 [*.{ts,tsx}]
 indent_size = 2
 
-[*.{js,jsx}]
+[*.{mjs,js,jsx}]
 indent_size = 2
 
 [*.css]