diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index d1127cae..faddf9c7 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -61,6 +61,7 @@ namespace tools
     virtual void on_money_received(uint64_t height, const cryptonote::transaction& tx, size_t out_index) {}
     virtual void on_money_spent(uint64_t height, const cryptonote::transaction& in_tx, size_t out_index, const cryptonote::transaction& spend_tx) {}
     virtual void on_skip_transaction(uint64_t height, const cryptonote::transaction& tx) {}
+    virtual ~i_wallet2_callback() {}
   };
 
   struct tx_dust_policy