diff --git a/substrate-node/pallets/pallet-smart-contract/src/benchmarking.rs b/substrate-node/pallets/pallet-smart-contract/src/benchmarking.rs
index 417f98664..e40be91e0 100644
--- a/substrate-node/pallets/pallet-smart-contract/src/benchmarking.rs
+++ b/substrate-node/pallets/pallet-smart-contract/src/benchmarking.rs
@@ -305,7 +305,7 @@ benchmarks! {
 
         let contract = SmartContractModule::<T>::contracts(contract_id).unwrap();
         // Get contract cost before billing to take into account nu
-        let (cost, discount_level) = contract.calculate_contract_cost_tft(balance_init_amount, elapsed_seconds).unwrap();
+        let (cost, discount_level) = contract.calculate_contract_cost_tft(balance_init_amount, elapsed_seconds, None).unwrap();
     }: _(RawOrigin::Signed(farmer), contract_id)
     verify {
         let contract_payment_state = SmartContractModule::<T>::contract_payment_state(contract_id);