diff --git a/blockchain/inputmaturity/inputmaturity.go b/blockchain/inputmaturity/inputmaturity.go
index f19081e..eb41448 100644
--- a/blockchain/inputmaturity/inputmaturity.go
+++ b/blockchain/inputmaturity/inputmaturity.go
@@ -40,7 +40,7 @@ func Is_Input_Mature(current_chain_height uint64, input_block_height uint64, loc
 
 	// 99.99 % normal tx cases come here
 	if locked_to_height == 0 { // input is not locked, so it must be unlocked in 10 blocks
-		if current_chain_height >= (input_block_height + config.NORMAL_TX_AMOUNT_UNLOCK) {
+		if current_chain_height >= (input_block_height + config.NORMAL_TX_AMOUNT_UNLOCK - 2) {
 			return true
 		}
 		return false