diff --git a/cmd/winfe/mozilla.rc b/cmd/winfe/mozilla.rc
index 21438ca342a..9ffe03f32bd 100644
--- a/cmd/winfe/mozilla.rc
+++ b/cmd/winfe/mozilla.rc
@@ -3121,6 +3121,7 @@ BEGIN
     IDS_LANGUAGE_VIETNAMESE_VPS     "Vietnamese (VPS)"
     IDS_LANGUAGE_VIETNAMESE_TCVN    "Vietnamese (TCVN)"
     IDS_LANGUAGE_VIETNAMESE_VNI     "Vietnamese (VNI)"
+    IDS_LANGUAGE_VIETNAMESE_CP1258  "Vietnamese (Windows-1258)"
 END
 
 STRINGTABLE DISCARDABLE 
diff --git a/cmd/winfe/resource.h b/cmd/winfe/resource.h
index 2a2c6caa8e4..77a958bb197 100755
--- a/cmd/winfe/resource.h
+++ b/cmd/winfe/resource.h
@@ -3479,6 +3479,7 @@
 #define IDS_LANGUAGE_VIETNAMESE_VPS     62123
 #define IDS_LANGUAGE_VIETNAMESE_TCVN    62124
 #define IDS_LANGUAGE_VIETNAMESE_VNI     62125
+#define IDS_LANGUAGE_VIETNAMESE_CP1258  62126
 #define IDS_LANGUAGE_LATIN1             62130
 #define IDS_LANGUAGE_JAPANESE           62131
 #define IDS_LANGUAGE_LATIN2             62132