diff --git a/src/main/java/com/sparrowwallet/sparrow/net/cormorant/bitcoind/BitcoindClient.java b/src/main/java/com/sparrowwallet/sparrow/net/cormorant/bitcoind/BitcoindClient.java
index 0152f828..688f3b8f 100644
--- a/src/main/java/com/sparrowwallet/sparrow/net/cormorant/bitcoind/BitcoindClient.java
+++ b/src/main/java/com/sparrowwallet/sparrow/net/cormorant/bitcoind/BitcoindClient.java
@@ -383,10 +383,10 @@ public class BitcoindClient {
 
         for(String txid : new HashSet<>(mempoolEntries.keySet())) {
             if(forceRefresh || mempoolEntries.get(txid) == null) {
-                MempoolEntry mempoolEntry = getBitcoindService().getMempoolEntry(txid);
-                if(mempoolEntry != null) {
+                try {
+                    MempoolEntry mempoolEntry = getBitcoindService().getMempoolEntry(txid);
                     mempoolEntries.put(txid, mempoolEntry);
-                } else {
+                } catch(JsonRpcException e) {
                     mempoolEntries.remove(txid);
                 }
             }
@@ -395,7 +395,14 @@ public class BitcoindClient {
 
     private boolean isConflicted(ListTransaction listTransaction, Map<String, Boolean> conflictCache) {
         if(listTransaction.confirmations() == 0 && !listTransaction.walletconflicts().isEmpty()) {
-            Boolean active = conflictCache.computeIfAbsent(listTransaction.txid(), txid -> getBitcoindService().getMempoolEntry(txid) != null);
+            Boolean active = conflictCache.computeIfAbsent(listTransaction.txid(), txid -> {
+                try {
+                    getBitcoindService().getMempoolEntry(txid);
+                    return true;
+                } catch(JsonRpcException e) {
+                    return false;
+                }
+            });
 
             if(active) {
                 for(String conflictedTxid : listTransaction.walletconflicts()) {
diff --git a/src/main/java/com/sparrowwallet/sparrow/net/cormorant/electrum/ElectrumNotificationService.java b/src/main/java/com/sparrowwallet/sparrow/net/cormorant/electrum/ElectrumNotificationService.java
index addc7ea2..6414b8f0 100644
--- a/src/main/java/com/sparrowwallet/sparrow/net/cormorant/electrum/ElectrumNotificationService.java
+++ b/src/main/java/com/sparrowwallet/sparrow/net/cormorant/electrum/ElectrumNotificationService.java
@@ -1,6 +1,7 @@
 package com.sparrowwallet.sparrow.net.cormorant.electrum;
 
 import com.github.arteam.simplejsonrpc.core.annotation.JsonRpcMethod;
+import com.github.arteam.simplejsonrpc.core.annotation.JsonRpcOptional;
 import com.github.arteam.simplejsonrpc.core.annotation.JsonRpcParam;
 import com.github.arteam.simplejsonrpc.core.annotation.JsonRpcService;
 
@@ -10,5 +11,5 @@ public interface ElectrumNotificationService {
     void notifyHeaders(@JsonRpcParam("header") ElectrumBlockHeader electrumBlockHeader);
 
     @JsonRpcMethod("blockchain.scripthash.subscribe")
-    void notifyScriptHash(@JsonRpcParam("scripthash") String scriptHash, @JsonRpcParam("status") String status);
+    void notifyScriptHash(@JsonRpcParam("scripthash") String scriptHash, @JsonRpcOptional @JsonRpcParam("status") String status);
 }
diff --git a/src/main/java/com/sparrowwallet/sparrow/net/cormorant/electrum/ElectrumServerService.java b/src/main/java/com/sparrowwallet/sparrow/net/cormorant/electrum/ElectrumServerService.java
index ca5d5572..9d5a22cd 100644
--- a/src/main/java/com/sparrowwallet/sparrow/net/cormorant/electrum/ElectrumServerService.java
+++ b/src/main/java/com/sparrowwallet/sparrow/net/cormorant/electrum/ElectrumServerService.java
@@ -146,9 +146,9 @@ public class ElectrumServerService {
     }
 
     @JsonRpcMethod("blockchain.transaction.get")
-    public String getTransaction(@JsonRpcParam("tx_hash") String tx_hash, @JsonRpcParam("verbose") @JsonRpcOptional boolean verbose) throws BitcoindIOException, TransactionNotFoundException {
+    public Object getTransaction(@JsonRpcParam("tx_hash") String tx_hash, @JsonRpcParam("verbose") @JsonRpcOptional boolean verbose) throws BitcoindIOException, TransactionNotFoundException {
         try {
-            return bitcoindClient.getBitcoindService().getRawTransaction(tx_hash, verbose).toString();
+            return bitcoindClient.getBitcoindService().getRawTransaction(tx_hash, verbose);
         } catch(JsonRpcException e) {
             throw new TransactionNotFoundException(e.getErrorMessage());
         } catch(IllegalStateException e) {