diff --git a/xvaga/xvt_env.h b/xvaga/xvt_env.h
index f0419b445..c17065165 100755
--- a/xvaga/xvt_env.h
+++ b/xvaga/xvt_env.h
@@ -7,7 +7,7 @@
 #define XVT_OS XVT_OS_LINUX
 #endif
 
-#define XVT_WS_LINUX_GTK 301
+#define XVT_WS_LINUX     301
 #define XVT_WS_WIN_95    401
 #define XVT_WS_WIN_98    402
 #define XVT_WS_WIN_ME    403
@@ -31,4 +31,12 @@
 #define ATTR_WIN_PM_TWIN_STARTUP_RCT    (ATTR_WIN_BASE + 11)
 #define ATTR_WIN_PM_TWIN_STARTUP_STYLE  (ATTR_WIN_BASE + 12)
 
+#define WINWS 101
+#define MTFWS 102
+#define MACWS 103
+#define PMWS  104
+#define WMWS  105
+#define XOLWS 106
+#define WXGTKWS 107
+
 #define main xvt_main