diff --git a/backend/src/api/bitcoin/esplora-api.ts b/backend/src/api/bitcoin/esplora-api.ts
index 0f3c6290d..368ff1978 100644
--- a/backend/src/api/bitcoin/esplora-api.ts
+++ b/backend/src/api/bitcoin/esplora-api.ts
@@ -214,11 +214,11 @@ class ElectrsApi implements AbstractBitcoinApi {
   }
 
   async $getMempoolTransactions(txids: string[]): Promise<IEsploraApi.Transaction[]> {
-    return this.failoverRouter.$post<IEsploraApi.Transaction[]>('/mempool/txs', txids, 'json');
+    return this.failoverRouter.$post<IEsploraApi.Transaction[]>('/internal-api/mempool/txs', txids, 'json');
   }
 
   async $getAllMempoolTransactions(lastSeenTxid?: string): Promise<IEsploraApi.Transaction[]> {
-    return this.failoverRouter.$get<IEsploraApi.Transaction[]>('/mempool/txs' + (lastSeenTxid ? '/' + lastSeenTxid : ''));
+    return this.failoverRouter.$get<IEsploraApi.Transaction[]>('/internal-api/mempool/txs' + (lastSeenTxid ? '/' + lastSeenTxid : ''));
   }
 
   $getTransactionHex(txId: string): Promise<string> {