diff --git a/src/wallet/core_default_rpc_proxy.h b/src/wallet/core_default_rpc_proxy.h
index c44f8d27..7eb94397 100644
--- a/src/wallet/core_default_rpc_proxy.h
+++ b/src/wallet/core_default_rpc_proxy.h
@@ -28,7 +28,7 @@ namespace tools
 
 
     bool set_connection_addr(const std::string& url) override;
-    void set_connectivity(unsigned int connection_timeout, size_t repeats_count);
+    void set_connectivity(unsigned int connection_timeout, size_t repeats_count) override;
     bool call_COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES(const currency::COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::request& rqt, currency::COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::response& rsp) override;
     bool call_COMMAND_RPC_GET_BLOCKS_FAST(const currency::COMMAND_RPC_GET_BLOCKS_FAST::request& rqt, currency::COMMAND_RPC_GET_BLOCKS_FAST::response& rsp) override;
     bool call_COMMAND_RPC_GET_BLOCKS_DIRECT(const currency::COMMAND_RPC_GET_BLOCKS_DIRECT::request& rqt, currency::COMMAND_RPC_GET_BLOCKS_DIRECT::response& rsp) override;
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index ed88296c..c554e8d5 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -2225,7 +2225,7 @@ bool wallet2::get_bare_unspent_outputs_stats(std::vector<batch_of_bare_unspent_o
     {
       if (tids_grouped_by_txs.back().tids.size() >= MAX_INPUTS_FOR_SIMPLE_TX_EURISTIC)
         tids_grouped_by_txs.emplace_back();
-      tids_grouped_by_txs.back().tids.push_back(tid);
+      tids_grouped_by_txs.back().tids.push_back((uint64_t)tid);
       tids_grouped_by_txs.back().total_amount += m_transfers[tid].m_amount;
     }
   }
@@ -2264,7 +2264,7 @@ bool wallet2::get_bare_unspent_outputs_stats(std::vector<batch_of_bare_unspent_o
         WLT_THROW_IF_FALSE_WALLET_INT_ERR_EX(jt->first >= min_required_amount, "jt->first=" << jt->first << ", min_required_amount=" << min_required_amount);
         if (used_zc_outs.count(jt->second) == 0)
         {
-          group.tids.push_back(jt->second);
+          group.tids.push_back((uint64_t)jt->second);
           used_zc_outs.insert(jt->second);
           group.additional_tid = true;
           group.additional_tid_amount = jt->first;
diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index aae4d6fd..a44b69fa 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -346,7 +346,7 @@ namespace tools
 
     struct batch_of_bare_unspent_outs
     {
-      std::vector<size_t> tids;
+      std::vector<uint64_t> tids;
       uint64_t total_amount = 0;
       bool additional_tid = false; // additional zc transfer if total_amount < min fee
       uint64_t additional_tid_amount = 0;
diff --git a/src/wallet/wallets_manager.h b/src/wallet/wallets_manager.h
index d07c3000..60ea6fee 100644
--- a/src/wallet/wallets_manager.h
+++ b/src/wallet/wallets_manager.h
@@ -195,12 +195,12 @@ private:
   bool do_exception_safe_call(guarded_code_t guarded_code, error_prefix_maker_t error_prefix_maker, std::string& api_return_code_result);
 
   //----- i_backend_wallet_callback ------
-  virtual void on_new_block(size_t wallet_id, uint64_t height, const currency::block& block);
-  virtual void on_transfer2(size_t wallet_id, const tools::wallet_public::wallet_transfer_info& wti, const std::list<tools::wallet_public::asset_balance_entry>& balances, uint64_t total_mined);
-  virtual void on_pos_block_found(size_t wallet_id, const currency::block& /*block*/);
-  virtual void on_sync_progress(size_t wallet_id, const uint64_t& /*percents*/);
-  virtual void on_transfer_canceled(size_t wallet_id, const tools::wallet_public::wallet_transfer_info& wti);
-  virtual void on_tor_status_change(size_t wallet_id, const std::string& state);
+  virtual void on_new_block(size_t wallet_id, uint64_t height, const currency::block& block) override;
+  virtual void on_transfer2(size_t wallet_id, const tools::wallet_public::wallet_transfer_info& wti, const std::list<tools::wallet_public::asset_balance_entry>& balances, uint64_t total_mined) override;
+  virtual void on_pos_block_found(size_t wallet_id, const currency::block& /*block*/) override;
+  virtual void on_sync_progress(size_t wallet_id, const uint64_t& /*percents*/) override;
+  virtual void on_transfer_canceled(size_t wallet_id, const tools::wallet_public::wallet_transfer_info& wti) override;
+  virtual void on_tor_status_change(size_t wallet_id, const std::string& state) override;
 
   virtual void on_mw_get_wallets(std::vector<tools::wallet_public::wallet_entry_info>& wallets) override;
   virtual bool on_mw_select_wallet(uint64_t wallet_id) override;