diff --git a/packages/playwright-core/src/server/registry/browserFetcher.ts b/packages/playwright-core/src/server/registry/browserFetcher.ts
index 9dfc6dc448..154edf1114 100644
--- a/packages/playwright-core/src/server/registry/browserFetcher.ts
+++ b/packages/playwright-core/src/server/registry/browserFetcher.ts
@@ -170,5 +170,5 @@ function getBasicDownloadProgress(): OnProgressCallback {
 
 function toMegabytes(bytes: number) {
   const mb = bytes / 1024 / 1024;
-  return `${Math.round(mb * 10) / 10} Mb`;
+  return `${Math.round(mb * 10) / 10} MiB`;
 }