diff --git a/src/Neo/Wallets/NEP6/NEP6Wallet.cs b/src/Neo/Wallets/NEP6/NEP6Wallet.cs
index 3edb41c5aa..9cbcb9a7e3 100644
--- a/src/Neo/Wallets/NEP6/NEP6Wallet.cs
+++ b/src/Neo/Wallets/NEP6/NEP6Wallet.cs
@@ -20,6 +20,7 @@
 using System.Security;
 using System.Security.Cryptography;
 using System.Security.Cryptography.X509Certificates;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace Neo.Wallets.NEP6
@@ -93,6 +94,7 @@ private void LoadFromJson(JObject wallet, out ScryptParameters scrypt, out Dicti
             scrypt = ScryptParameters.FromJson((JObject)wallet["scrypt"]);
             accounts = ((JArray)wallet["accounts"]).Select(p => NEP6Account.FromJson((JObject)p, this)).ToDictionary(p => p.ScriptHash);
             extra = wallet["extra"];
+            Thread.MemoryBarrier();
             if (!VerifyPasswordInternal(password.GetClearText()))
                 throw new InvalidOperationException("Wrong password.");
         }
diff --git a/src/Plugins/SQLiteWallet/SQLiteWallet.cs b/src/Plugins/SQLiteWallet/SQLiteWallet.cs
index a4004dcff0..1b36231f91 100644
--- a/src/Plugins/SQLiteWallet/SQLiteWallet.cs
+++ b/src/Plugins/SQLiteWallet/SQLiteWallet.cs
@@ -318,6 +318,7 @@ private Dictionary<UInt160, SQLiteWalletAccount> LoadAccounts()
             account.Contract = contract;
             account.Key = new KeyPair(GetPrivateKeyFromNEP2(db_contract.Account.Nep2key, masterKey, ProtocolSettings.AddressVersion, scrypt.N, scrypt.R, scrypt.P));
         }
+        Thread.MemoryBarrier();
         return accounts;
     }