diff --git a/src/os/i18n.zig b/src/os/i18n.zig
index baae73e46..80c63352f 100644
--- a/src/os/i18n.zig
+++ b/src/os/i18n.zig
@@ -29,6 +29,7 @@ pub const locales = [_][:0]const u8{
     "nb_NO.UTF-8",
     "uk_UA.UTF-8",
     "pl_PL.UTF-8",
+    "id_ID.UTF-8",
 };
 
 /// Set for faster membership lookup of locales.