diff --git a/src/currency_core/currency_config.h b/src/currency_core/currency_config.h
index 11d2ec06..791033bf 100644
--- a/src/currency_core/currency_config.h
+++ b/src/currency_core/currency_config.h
@@ -219,13 +219,12 @@
 #define BLOCK_MINOR_VERSION_GENESIS                     0
 #define BLOCK_MAJOR_VERSION_INITAL                      0
 #ifndef TESTNET
-#define ZANO_HARDFORK_1_AFTER_HEIGHT                    172200
+#define ZANO_HARDFORK_1_AFTER_HEIGHT                    180840
 #else
 #define ZANO_HARDFORK_1_AFTER_HEIGHT                    1440
 #endif
 
 
-
 static_assert(CURRENCY_MINER_TX_MAX_OUTS <= CURRENCY_TX_MAX_ALLOWED_OUTS, "Miner tx must obey normal tx max outs limit");
 static_assert(PREMINE_AMOUNT / WALLET_MAX_ALLOWED_OUTPUT_AMOUNT < CURRENCY_MINER_TX_MAX_OUTS, "Premine can't be divided into reasonable number of outs");