Index: dll/win32/syssetup/install.c
===================================================================
--- dll/win32/syssetup/install.c	(revision 74392)
+++ dll/win32/syssetup/install.c	(working copy)
@@ -1113,7 +1113,7 @@
 
         /* Misc */
         {LOCALE_SCOUNTRY, L"sCountry"},
-        {LOCALE_SLANGUAGE, L"sLanguage"},
+        {LOCALE_SABBREVLANGNAME, L"sLanguage"},
         {LOCALE_ICOUNTRY, L"iCountry"},
         {0, NULL}};