diff --git a/src/controller/StreamController.ts b/src/controller/StreamController.ts
index 0f464f1..e7086ff 100644
--- a/src/controller/StreamController.ts
+++ b/src/controller/StreamController.ts
@@ -54,7 +54,7 @@ export class StreamController {
       const { streams, ttl } = await this.streamResolver.resolve(ctx, sources, type, id);
 
       if (ttl && envIsProd()) {
-        res.setHeader('Cache-Control', `max-age=${ttl / 1000}, public`);
+        res.setHeader('Cache-Control', `max-age=${Math.floor(ttl / 1000)}, public`);
       }
 
       res.setHeader('Content-Type', 'application/json');