1 files changed, 6 insertions, 1 deletions
diff --git a/src/interfaces/wallet.cpp b/src/interfaces/wallet.cpp
index 7fd24425cf..937e602fb0 100644
--- a/src/interfaces/wallet.cpp
+++ b/src/interfaces/wallet.cpp
@@ -37,6 +37,7 @@ namespace {
 //! Construct wallet tx struct.
 WalletTx MakeWalletTx(CWallet& wallet, const CWalletTx& wtx)
 {
+    LOCK(wallet.cs_wallet);
     WalletTx result;
     result.tx = wtx.tx;
     result.txin_is_mine.reserve(wtx.tx->vin.size());
@@ -132,7 +133,11 @@ public:
     {
         return m_wallet->SignMessage(message, pkhash, str_sig);
     }
-    bool isSpendable(const CTxDestination& dest) override { return m_wallet->IsMine(dest) & ISMINE_SPENDABLE; }
+    bool isSpendable(const CTxDestination& dest) override
+    {
+        LOCK(m_wallet->cs_wallet);
+        return m_wallet->IsMine(dest) & ISMINE_SPENDABLE;
+    }
     bool haveWatchOnly() override
     {
         auto spk_man = m_wallet->GetLegacyScriptPubKeyMan();