diff --git a/tools/license2rtf.mjs b/tools/license2rtf.mjs
index 0772b161ed06b1..4cdca33b60995e 100644
--- a/tools/license2rtf.mjs
+++ b/tools/license2rtf.mjs
@@ -289,11 +289,15 @@ class RtfGenerator extends Stream {
 stdin.setEncoding('utf-8');
 stdin.resume();
 
-await pipeline(
-  stdin,
-  new LineSplitter(),
-  new ParagraphParser(),
-  new Unwrapper(),
-  new RtfGenerator(),
-  stdout,
-);
+async function main() {
+  await pipeline(
+    stdin,
+    new LineSplitter(),
+    new ParagraphParser(),
+    new Unwrapper(),
+    new RtfGenerator(),
+    stdout,
+  );
+}
+
+main().catch(console.error);