diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index bb7be2df3..78abd7700 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -4017,6 +4017,8 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
     // Try to top up keypool. No-op if the wallet is locked.
     walletInstance->TopUpKeyPool();
 
+    LOCK(cs_main);
+
     CBlockIndex *pindexRescan = chainActive.Genesis();
     if (!gArgs.GetBoolArg("-rescan", false))
     {