diff --git a/src/presets/nodeless.ts b/src/presets/nodeless.ts
index 4e3ac1fb..1c3b7f71 100644
--- a/src/presets/nodeless.ts
+++ b/src/presets/nodeless.ts
@@ -65,6 +65,7 @@ const nodeless: Preset & { alias: Map<string, string> } = {
         "wasi",
         "worker_threads",
         "zlib",
+        "string_decoder",
       ].map((m) => [m, `unenv/runtime/node/${m}/index`]),
     ),