diff --git a/src/plugins/lib/libtranslate.py b/src/plugins/lib/libtranslate.py
index e143526ac..79306f8a2 100644
--- a/src/plugins/lib/libtranslate.py
+++ b/src/plugins/lib/libtranslate.py
@@ -78,6 +78,7 @@ _LANG_MAP = {
     "sv" : _("Swedish"),
     "tr" : _("Turkish"),
     "uk" : _("Ukrainian"),
+    "vi" : _("Vietnamese"),
     "zh" : _("Chinese")
 }