diff --git a/src/muxes.c b/src/muxes.c
index 54f9987d..8629d264 100644
--- a/src/muxes.c
+++ b/src/muxes.c
@@ -50,6 +50,7 @@ static const struct {
 } tldlist[] = {
   {"auto", "--Generic--"},
   {"ad", "Andorra"},
+  {"ar", "Argentina"},
   {"at", "Austria"},
   {"au", "Australia"},
   {"ax", "Aland Islands"},