diff --git a/miner/ordering.go b/miner/ordering.go
index 5f4735568e..5e0768f603 100644
--- a/miner/ordering.go
+++ b/miner/ordering.go
@@ -57,7 +57,7 @@ func newTxWithMinerFee(tx *txpool.LazyTransaction, from common.Address, baseFee
 
 	// Convert tip back into celo if the transaction is in a different currency
 	if tx.FeeCurrency != nil {
-		tipBig, _ := exchange.ConvertCurrencyToCelo(rates, tip.ToBig(), tx.FeeCurrency)
+		tipBig, _ := exchange.ConvertCurrencyToCelo(rates, tx.FeeCurrency, tip.ToBig())
 		tip = uint256.MustFromBig(tipBig)
 	}