diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -4127,11 +4127,11 @@
         if (fValidAddress) {
             entry.pushKV("address", EncodeDestination(address, config));
 
-            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(gArgs, "accounts")) {
-                    entry.pushKV("account",
-                                 pwallet->mapAddressBook[address].name);
+                    entry.pushKV("account", i->second.name);
                 }
             }