diff --git a/src/importcoin.cpp b/src/importcoin.cpp
index 71e469423..3a5ddcc30 100644
--- a/src/importcoin.cpp
+++ b/src/importcoin.cpp
@@ -107,7 +107,7 @@ void AddImportTombstone(const CTransaction &importTx, CCoinsViewCache &inputs, i
     uint256 burnHash = importTx.vin[0].prevout.hash;
     CCoinsModifier modifier = inputs.ModifyCoins(burnHash);
     modifier->nHeight = nHeight;
-    modifier->nVersion = 1;
+    modifier->nVersion = 4;
     modifier->vout.push_back(CTxOut(0, CScript() << OP_0));
 }
 
diff --git a/src/main.cpp b/src/main.cpp
index 302a6162a..d7d6037ba 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3852,7 +3852,7 @@ bool static DisconnectTip(CValidationState &state, bool fBare = false) {
         if ((i == (block.vtx.size() - 1)) && (ASSETCHAINS_STAKED != 0 && (komodo_isPoS((CBlock *)&block) != 0)))
         {
 #ifdef ENABLE_WALLET
-            LOCK(cs_main);
+            LOCK2(cs_main, pwalletMain->cs_wallet);
             pwalletMain->EraseFromWallet(tx.GetHash());
 #endif
         }