diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp
index e2e827d81..44b79ed1f 100644
--- a/src/wallet/walletdb.cpp
+++ b/src/wallet/walletdb.cpp
@@ -960,8 +960,13 @@ bool CWalletDB::Recover(CDBEnv& dbenv, const std::string& filename, bool fOnlyKe
             CDataStream ssKey(row.first, SER_DISK, CLIENT_VERSION);
             CDataStream ssValue(row.second, SER_DISK, CLIENT_VERSION);
             string strType, strErr;
-            bool fReadOK = ReadKeyValue(&dummyWallet, ssKey, ssValue,
+            bool fReadOK;
+            {
+                // Required in LoadKeyMetadata():
+                LOCK(dummyWallet.cs_wallet);
+                fReadOK = ReadKeyValue(&dummyWallet, ssKey, ssValue,
                                         wss, strType, strErr);
+            }
             if (!IsKeyType(strType))
                 continue;
             if (!fReadOK)