diff --git a/src/routes/download/+server.ts b/src/routes/download/+server.ts
index 30d94a9..650cf9b 100644
--- a/src/routes/download/+server.ts
+++ b/src/routes/download/+server.ts
@@ -59,7 +59,7 @@ export const GET: RequestHandler = async ({ url }) => {
 		// Stream video/audio
 		return new Response(streamYouTube(link, format), {
 			headers: {
-				'Content-Type': 'text/event-stream',
+				'Content-Type': `${mimeTypeMap.get(format)}`,
 				'Content-Disposition': `attachment; filename="${filename}"`,
 				'Set-Cookie': 'downloading=0'
 			}