diff --git a/production/mempool-frontend-config.liquid.json b/production/mempool-frontend-config.liquid.json
index 1a4fc2998..09bde34a6 100644
--- a/production/mempool-frontend-config.liquid.json
+++ b/production/mempool-frontend-config.liquid.json
@@ -2,6 +2,7 @@
   "BASE_MODULE": "liquid",
   "OFFICIAL_MEMPOOL_SPACE": true,
   "TESTNET_ENABLED": true,
+  "TESTNET4_ENABLED": true,
   "LIQUID_ENABLED": true,
   "LIQUID_TESTNET_ENABLED": true,
   "BISQ_ENABLED": true,
diff --git a/production/mempool-frontend-config.mainnet.json b/production/mempool-frontend-config.mainnet.json
index 4e9087c34..fbbfc60cd 100644
--- a/production/mempool-frontend-config.mainnet.json
+++ b/production/mempool-frontend-config.mainnet.json
@@ -1,6 +1,7 @@
 {
   "OFFICIAL_MEMPOOL_SPACE": true,
   "TESTNET_ENABLED": true,
+  "TESTNET4_ENABLED": true,
   "LIQUID_ENABLED": true,
   "LIQUID_TESTNET_ENABLED": true,
   "BISQ_ENABLED": true,
diff --git a/production/mempool-frontend-config.onbtc.json b/production/mempool-frontend-config.onbtc.json
index 63cca1a87..f1df1dff5 100644
--- a/production/mempool-frontend-config.onbtc.json
+++ b/production/mempool-frontend-config.onbtc.json
@@ -1,6 +1,7 @@
 {
   "OFFICIAL_MEMPOOL_SPACE": true,
   "TESTNET_ENABLED": true,
+  "TESTNET4_ENABLED": true,
   "LIQUID_ENABLED": true,
   "LIQUID_TESTNET_ENABLED": true,
   "BISQ_ENABLED": true,