diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 20e8ba53d..3aad6a0f3 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -2036,6 +2036,11 @@ void wallet2::fast_refresh(uint64_t stop_height, uint64_t &blocks_start_height,
     pull_hashes(0, blocks_start_height, short_chain_history, hashes);
     if (hashes.size() <= 3)
       return;
+    if (blocks_start_height < m_blockchain.offset())
+    {
+      MERROR("Blocks start before blockchain offset: " << blocks_start_height << " " << m_blockchain.offset());
+      return;
+    }
     if (hashes.size() + current_index < stop_height) {
       drop_from_short_history(short_chain_history, 3);
       std::list<crypto::hash>::iterator right = hashes.end();
diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp
index 4c1788f0b..fc2c43c04 100644
--- a/src/wallet/wallet_rpc_server.cpp
+++ b/src/wallet/wallet_rpc_server.cpp
@@ -89,6 +89,8 @@ namespace tools
   //------------------------------------------------------------------------------------------------------------------------------
   wallet_rpc_server::~wallet_rpc_server()
   {
+    if (m_wallet)
+      delete m_wallet;
   }
   //------------------------------------------------------------------------------------------------------------------------------
   void wallet_rpc_server::set_wallet(wallet2 *cr)