diff --git a/frontend/mempool-frontend-config.sample.json b/frontend/mempool-frontend-config.sample.json
index 38a671edf..f9f2576d6 100644
--- a/frontend/mempool-frontend-config.sample.json
+++ b/frontend/mempool-frontend-config.sample.json
@@ -25,6 +25,7 @@
   "HISTORICAL_PRICE": true,
   "ADDITIONAL_CURRENCIES": false,
   "ACCELERATOR": false,
+  "ACCELERATOR_BUTTON": true,
   "PUBLIC_ACCELERATIONS": false,
   "SERVICES_API": "https://mempool.space/api/v1/services"
 }