diff --git a/titles/mai2/const.py b/titles/mai2/const.py
index 197bc23..9b65e60 100644
--- a/titles/mai2/const.py
+++ b/titles/mai2/const.py
@@ -29,7 +29,7 @@ class Mai2Constants:
     GAME_CODE_FINALE = "SDEY"
     GAME_CODE_DX = "SDEZ"
     GAME_CODE_DX_INT = "SDGA"
-    GAME_CODE_DX_CHN = "SDGA"
+    GAME_CODE_DX_CHN = "SDGB"
 
     CONFIG_NAME = "mai2.yaml"