diff --git a/script/run-clang-tidy.ts b/script/run-clang-tidy.ts
index 86dba04f2e849..ba44b849c552c 100644
--- a/script/run-clang-tidy.ts
+++ b/script/run-clang-tidy.ts
@@ -173,7 +173,7 @@ async function runClangTidy (
   const worker = async () => {
     let filenames = chunkedFilenames.shift();
 
-    while (filenames) {
+    while (filenames?.length) {
       results.push(
         await spawnAsync(cmd, [...args, ...filenames], {}).then((result) => {
           console.log(result.stdout);