diff --git a/src/wallet/wallet_rpc_server.h b/src/wallet/wallet_rpc_server.h
index 2f50e99c..a424e103 100644
--- a/src/wallet/wallet_rpc_server.h
+++ b/src/wallet/wallet_rpc_server.h
@@ -57,7 +57,9 @@ namespace tools
   {
     wallet_provider_simple(std::shared_ptr<wallet2> wallet_ptr) : m_wallet_ptr(wallet_ptr)
     {}
-    virtual std::shared_ptr<wallet2> get_wallet()
+
+    // interface i_wallet_provider
+    virtual std::shared_ptr<wallet2> get_wallet() override
     {
       return m_wallet_ptr;
     }
@@ -90,13 +92,16 @@ namespace tools
     bool run(bool do_mint, bool offline_mode, const currency::account_public_address& miner_address);
 
     virtual bool handle_http_request(const epee::net_utils::http::http_request_info& query_info, epee::net_utils::http::http_response_info& response_info,
-      connection_context& conn_context) {
+      connection_context& conn_context)
+    {
       bool  call_found = false;
       return this->handle_http_request(query_info, response_info, conn_context, call_found, epee::net_utils::http::i_chain_handler::m_empty_documentation);
     }
 
+    // interface i_chain_handler
     virtual bool handle_http_request(const epee::net_utils::http::http_request_info& query_info, epee::net_utils::http::http_response_info& response_info,
-      epee::net_utils::connection_context_base& conn_context, bool& call_found, documentation& docs = epee::net_utils::http::i_chain_handler::m_empty_documentation);
+      epee::net_utils::connection_context_base& conn_context, bool& call_found, documentation& docs = epee::net_utils::http::i_chain_handler::m_empty_documentation) override;
+
     void set_jwt_secret(const std::string& jwt);
     const std::string& get_jwt_secret();