diff --git a/build/tools/MasterEditorTWL_Launcher/resource/ini.xml b/build/tools/MasterEditorTWL_Launcher/resource/ini.xml
index 50864681..b2f2db6c 100644
--- a/build/tools/MasterEditorTWL_Launcher/resource/ini.xml
+++ b/build/tools/MasterEditorTWL_Launcher/resource/ini.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <init>
 	<rw>w</rw>
+	<lang>J</lang>
 	<output>Sheet</output>
 	<spcheck>OFF</spcheck>
 	<sdk>
diff --git a/build/tools/MasterEditorTWL_Secure/resource/ini.xml b/build/tools/MasterEditorTWL_Secure/resource/ini.xml
index 50864681..b2f2db6c 100644
--- a/build/tools/MasterEditorTWL_Secure/resource/ini.xml
+++ b/build/tools/MasterEditorTWL_Secure/resource/ini.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <init>
 	<rw>w</rw>
+	<lang>J</lang>
 	<output>Sheet</output>
 	<spcheck>OFF</spcheck>
 	<sdk>
diff --git a/build/tools/MasterEditorTWL_System/resource/ini.xml b/build/tools/MasterEditorTWL_System/resource/ini.xml
index 50864681..b2f2db6c 100644
--- a/build/tools/MasterEditorTWL_System/resource/ini.xml
+++ b/build/tools/MasterEditorTWL_System/resource/ini.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <init>
 	<rw>w</rw>
+	<lang>J</lang>
 	<output>Sheet</output>
 	<spcheck>OFF</spcheck>
 	<sdk>