diff --git a/core/txpool/validation.go b/core/txpool/validation.go
index 1f6d31a3c669..b1aaa7f1ea62 100644
--- a/core/txpool/validation.go
+++ b/core/txpool/validation.go
@@ -107,7 +107,7 @@ func ValidateTransaction(tx *types.Transaction, head *types.Header, signer types
 				log.Error("Failed to parse TAIKO_MIN_TIP", "err", err)
 			} else {
 				if tx.GasTipCapIntCmp(new(big.Int).SetUint64(uint64(minTip))) < 0 {
-					return fmt.Errorf("max fee per gas is less than %d Gwei", minTip)
+					return fmt.Errorf("max fee per gas is less than %d wei", minTip)
 				}
 			}
 		} else {