diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 77794d14d..0d7294ffd 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -983,7 +983,7 @@ bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_bl
 
   std::vector<size_t> last_blocks_sizes;
   get_last_n_blocks_sizes(last_blocks_sizes, CRYPTONOTE_REWARD_BLOCKS_WINDOW);
-  if (!get_block_reward(epee::misc_utils::median(last_blocks_sizes), cumulative_block_size, already_generated_coins, base_reward, get_current_hard_fork_version()))
+  if (!get_block_reward(epee::misc_utils::median(last_blocks_sizes), cumulative_block_size, already_generated_coins, base_reward, version))
   {
     LOG_PRINT_L1("block size " << cumulative_block_size << " is bigger than allowed for this blockchain");
     return false;