diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index bfd9840dfc..ea294fee3c 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -3149,9 +3149,13 @@ UniValue listunspent(const JSONRPCRequest& request)
 
     UniValue results(UniValue::VARR);
     std::vector<COutput> vecOutputs;
-    LOCK2(cs_main, pwallet->cs_wallet);
+    {
+        LOCK2(cs_main, pwallet->cs_wallet);
+        pwallet->AvailableCoins(vecOutputs, !include_unsafe, nullptr, nMinimumAmount, nMaximumAmount, nMinimumSumAmount, nMaximumCount, nMinDepth, nMaxDepth);
+    }
+
+    LOCK(pwallet->cs_wallet);
 
-    pwallet->AvailableCoins(vecOutputs, !include_unsafe, nullptr, nMinimumAmount, nMaximumAmount, nMinimumSumAmount, nMaximumCount, nMinDepth, nMaxDepth);
     for (const COutput& out : vecOutputs) {
         CTxDestination address;
         const CScript& scriptPubKey = out.tx->tx->vout[out.i].scriptPubKey;
@@ -3167,10 +3171,11 @@ UniValue listunspent(const JSONRPCRequest& request)
         if (fValidAddress) {
             entry.pushKV("address", EncodeDestination(address));
 
-            if (pwallet->mapAddressBook.count(address)) {
-                entry.pushKV("label", pwallet->mapAddressBook[address].name);
+            auto i = pwallet->mapAddressBook.find(address);
+            if (i != pwallet->mapAddressBook.end()) {
+                entry.pushKV("label", i->second.name);
                 if (IsDeprecatedRPCEnabled("accounts")) {
-                    entry.pushKV("account", pwallet->mapAddressBook[address].name);
+                    entry.pushKV("account", i->second.name);
                 }
             }