diff --git a/assets/winvistax64-ultimate.xml b/assets/winvistax64-ultimate.xml
index b13ec14..7783839 100644
--- a/assets/winvistax64-ultimate.xml
+++ b/assets/winvistax64-ultimate.xml
@@ -118,6 +118,7 @@
   <settings pass="oobeSystem">
     <component name="Microsoft-Windows-International-Core" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
       <InputLocale>0409:00000409</InputLocale>
+      <SystemLocale>en-US</SystemLocale>
       <UILanguage>en-US</UILanguage>
       <UserLocale>en-US</UserLocale>
     </component>