diff --git a/reactos/include/psdk/winnls.h b/reactos/include/psdk/winnls.h
index 51722ad2a12..4cb88f2ae61 100644
--- a/reactos/include/psdk/winnls.h
+++ b/reactos/include/psdk/winnls.h
@@ -110,6 +110,7 @@ extern "C" {
 #define LOCALE_SABBREVMONTHNAME13	0x100F
 #define LOCALE_SPOSITIVESIGN	80
 #define LOCALE_SNEGATIVESIGN	81
+#define LOCALE_SSCRIPTS         108
 #define LOCALE_IPOSSIGNPOSN	82
 #define LOCALE_INEGSIGNPOSN	83
 #define LOCALE_IPOSSYMPRECEDES	84
@@ -120,9 +121,13 @@ extern "C" {
 #define LOCALE_FONTSIGNATURE    88
 #define LOCALE_SISO639LANGNAME  89
 #define LOCALE_SISO3166CTRYNAME 90
+#define LOCALE_SNAME            92
 #endif
 #define LOCALE_SYSTEM_DEFAULT	0x800
 #define LOCALE_USER_DEFAULT	0x400
+
+#define LOCALE_IDEFAULTUNIXCODEPAGE   0x1030 /* Wine extension */
+
 #define NORM_IGNORECASE	1
 #define NORM_IGNOREKANATYPE	65536
 #define NORM_IGNORENONSPACE	2