diff --git a/backend/mempool-config.sample.json b/backend/mempool-config.sample.json
index 72e5d28ae..6ff103bf1 100644
--- a/backend/mempool-config.sample.json
+++ b/backend/mempool-config.sample.json
@@ -12,7 +12,8 @@
     "BLOCK_WEIGHT_UNITS": 4000000,
     "INITIAL_BLOCKS_AMOUNT": 8,
     "MEMPOOL_BLOCKS_AMOUNT": 8,
-    "PRICE_FEED_UPDATE_INTERVAL": 3600
+    "PRICE_FEED_UPDATE_INTERVAL": 3600,
+    "USE_SECOND_NODE_FOR_MINFEE": false
   },
   "CORE_RPC": {
     "HOST": "127.0.0.1",
@@ -29,7 +30,6 @@
     "REST_API_URL": "http://127.0.0.1:3000"
   },
   "SECOND_CORE_RPC": {
-    "ENABLED": false,
     "HOST": "127.0.0.1",
     "PORT": 8332,
     "USERNAME": "mempool",
diff --git a/backend/src/api/mempool.ts b/backend/src/api/mempool.ts
index e6bd13abb..4d6c35860 100644
--- a/backend/src/api/mempool.ts
+++ b/backend/src/api/mempool.ts
@@ -208,7 +208,7 @@ class Mempool {
   }
 
   private $getMempoolInfo() {
-    if (config.SECOND_CORE_RPC.ENABLED) {
+    if (config.MEMPOOL.USE_SECOND_NODE_FOR_MINFEE) {
       return Promise.all([
         bitcoinClient.getMempoolInfo(),
         bitcoinSecondClient.getMempoolInfo()
diff --git a/backend/src/config.ts b/backend/src/config.ts
index 47d38492d..2addc176a 100644
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -15,6 +15,7 @@ interface IConfig {
     INITIAL_BLOCKS_AMOUNT: number;
     MEMPOOL_BLOCKS_AMOUNT: number;
     PRICE_FEED_UPDATE_INTERVAL: number;
+    USE_SECOND_NODE_FOR_MINFEE: boolean;
   };
   ESPLORA: {
     REST_API_URL: string;
@@ -31,7 +32,6 @@ interface IConfig {
     PASSWORD: string;
   };
   SECOND_CORE_RPC: {
-    ENABLED: boolean;
     HOST: string;
     PORT: number;
     USERNAME: string;
@@ -77,6 +77,7 @@ const defaults: IConfig = {
     'INITIAL_BLOCKS_AMOUNT': 8,
     'MEMPOOL_BLOCKS_AMOUNT': 8,
     'PRICE_FEED_UPDATE_INTERVAL': 3600,
+    'USE_SECOND_NODE_FOR_MINFEE': false,
   },
   'ESPLORA': {
     'REST_API_URL': 'http://127.0.0.1:3000',
@@ -93,7 +94,6 @@ const defaults: IConfig = {
     'PASSWORD': 'mempool'
   },
   'SECOND_CORE_RPC': {
-    'ENABLED': false,
     'HOST': '127.0.0.1',
     'PORT': 8332,
     'USERNAME': 'mempool',
diff --git a/backend/src/index.ts b/backend/src/index.ts
index a07903a7b..cfca7cc65 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -113,7 +113,7 @@ class Server {
         await memPool.$updateMemPoolInfo();
       } catch (e) {
         const msg = `updateMempoolInfo: ${(e instanceof Error ? e.message : e)}`;
-        if (config.SECOND_CORE_RPC.ENABLED) {
+        if (config.MEMPOOL.USE_SECOND_NODE_FOR_MINFEE) {
           logger.warn(msg);
         } else {
           logger.debug(msg);