diff --git a/src/install/browserFetcher.ts b/src/install/browserFetcher.ts
index 04d7df50b4..eadc8e53b2 100644
--- a/src/install/browserFetcher.ts
+++ b/src/install/browserFetcher.ts
@@ -54,6 +54,8 @@ export async function downloadBrowserWithProgressBar(registry: Registry, browser
   let lastDownloadedBytes = 0;
 
   function progress(downloadedBytes: number, totalBytes: number) {
+    if (!process.stderr.isTTY)
+      return;
     if (!progressBar) {
       progressBar = new ProgressBar(`Downloading ${progressBarName} - ${toMegabytes(totalBytes)} [:bar] :percent :etas `, {
         complete: '=',