diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 6d8c78979..26faed52a 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -887,6 +887,8 @@ bool CWallet::IsSaplingSpent(const uint256& nullifier) const {
 }
 
 unsigned int CWallet::GetSaplingSpendDepth(const uint256& nullifier) const {
+    LOCK(cs_main);
+
     pair<TxNullifiers::const_iterator, TxNullifiers::const_iterator> range;
     range = mapTxSaplingNullifiers.equal_range(nullifier);
 
@@ -977,10 +979,11 @@ void CWallet::ClearNoteWitnessCache()
 
 void CWallet::DecrementNoteWitnesses(const CBlockIndex* pindex)
 {
-    LOCK2(cs_main, cs_wallet);
 
     extern int32_t HUSH_REWIND;
 
+    LOCK(cs_wallet);
+
     for (std::pair<const uint256, CWalletTx>& wtxItem : mapWallet) {
         //Sapling
         for (auto& item : wtxItem.second.mapSaplingNoteData) {