diff --git a/src/currency_core/currency_config.h b/src/currency_core/currency_config.h
index a15af43c..e6a21e0b 100644
--- a/src/currency_core/currency_config.h
+++ b/src/currency_core/currency_config.h
@@ -250,7 +250,7 @@
 #define BC_OFFERS_CURRENCY_MARKET_FILENAME              "market.bin"
 
 
-#define WALLET_FILE_SERIALIZATION_VERSION               166
+#define WALLET_FILE_SERIALIZATION_VERSION               167
 #define WALLET_FILE_LAST_SUPPORTED_VERSION              165
 
 #define CURRENT_MEMPOOL_ARCHIVE_VER                     (CURRENCY_FORMATION_VERSION+31)
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index ea38b3ad..3b1144aa 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -577,7 +577,7 @@ void wallet2::process_new_transaction(const currency::transaction& tx, uint64_t
     if (pglobal_indexes->size())
     {
       //@#@
-      WLT_LOG_L1("add_to_last_zc_global_indexs: h: " << height << ", b: " << currency::get_block_hash(b) << " , tx: " << currency::get_transaction_hash(tx) << ", last_zc_output_index: " << pglobal_indexes->back());
+      WLT_LOG_L2("add_to_last_zc_global_indexs: h: " << height << ", b: " << currency::get_block_hash(b) << " , tx: " << currency::get_transaction_hash(tx) << ", last_zc_output_index: " << pglobal_indexes->back());
       add_to_last_zc_global_indexs(ptc.height, pglobal_indexes->back());
     }
   }
diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index e220959c..725c2c42 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -227,11 +227,14 @@ namespace tools
         uint64_t last_zc_global_index = 0;
         a& last_zc_global_index;
         m_last_zc_global_indexs.push_back(std::make_pair(uint64_t(0), last_zc_global_index));
+        return;
       }
-      else
+      a& m_last_zc_global_indexs;
+      if (ver == 166 && m_last_zc_global_indexs.size())
       {
-        a& m_last_zc_global_indexs;
-      }
+        //workaround for m_last_zc_global_indexs holding invalid index for last item
+        m_last_zc_global_indexs.pop_front();
+      }      
     }
   };