diff --git a/production/mempool-frontend-config.mainnet.json b/production/mempool-frontend-config.mainnet.json
index 7d4335e8d..45e30072a 100644
--- a/production/mempool-frontend-config.mainnet.json
+++ b/production/mempool-frontend-config.mainnet.json
@@ -18,7 +18,5 @@
   "ACCELERATOR_BUTTON": true,
   "PUBLIC_ACCELERATIONS": true,
   "AUDIT": true,
-  "PROD_DOMAINS": [
-    "mempool.space"
-  ]
+  "PROD_DOMAINS": "mempool.space"
 }