diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index d32824b3..e74e459f 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -1039,7 +1039,7 @@ private:
     uint64_t get_directly_spent_transfer_index_by_input_in_tracking_wallet(const currency::txin_to_key& intk);
     uint64_t get_directly_spent_transfer_index_by_input_in_tracking_wallet(const currency::zarcanum_input& inzk);
     bool is_in_hardfork_zone(uint64_t hardfork_index);
-    bool out_get_mixin_attr(const currency::tx_out_v& out_t);
+    uint8_t out_get_mixin_attr(const currency::tx_out_v& out_t);
     const crypto::public_key& out_get_pub_key(const currency::tx_out_v& out_t, std::list<currency::htlc_info>& htlc_info_list);