diff --git a/internal/config/types.go b/internal/config/types.go
index 6013f1e..9bdcbda 100644
--- a/internal/config/types.go
+++ b/internal/config/types.go
@@ -144,7 +144,7 @@ func (z *ZurgConfig) GetOnLibraryUpdate() string {
 
 func (z *ZurgConfig) GetNetworkBufferSize() int {
 	if z.NetworkBufferSize == 0 {
-		return 1024 * 1024 * 4 // 4MB
+		return 32 * 1024 // 32kb
 	}
 	return z.NetworkBufferSize
 }
diff --git a/internal/universal/downloader.go b/internal/universal/downloader.go
index 84755a7..c2e1bcd 100644
--- a/internal/universal/downloader.go
+++ b/internal/universal/downloader.go
@@ -198,9 +198,8 @@ func (dl *Downloader) streamFileToResponse(
 
 	// log.Debugf("Serving file %s%s", unrestrict.Download, rangeLog)
 
-	// buf := make([]byte, cfg.GetNetworkBufferSize())
-	// io.CopyBuffer(resp, downloadResp.Body, buf)
-	io.Copy(resp, downloadResp.Body)
+	buf := make([]byte, cfg.GetNetworkBufferSize())
+	io.CopyBuffer(resp, downloadResp.Body, buf)
 }
 
 func redirect(resp http.ResponseWriter, req *http.Request, url string) {