diff --git a/backend/src/api/mining/mining-routes.ts b/backend/src/api/mining/mining-routes.ts
index f49abd7b0..8f8bbac82 100644
--- a/backend/src/api/mining/mining-routes.ts
+++ b/backend/src/api/mining/mining-routes.ts
@@ -470,7 +470,7 @@ class MiningRoutes {
     res.setHeader('expires', -1);
     try {
       accelerationApi.accelerationRequested(req.params.txid);
-      res.status(200).send('ok');
+      res.status(200).send();
     } catch (e) {
       res.status(500).send(e instanceof Error ? e.message : e);
     }