diff --git a/ethclient/ethclient_test.go b/ethclient/ethclient_test.go
index 606dd1131b..fa2dabf2b9 100644
--- a/ethclient/ethclient_test.go
+++ b/ethclient/ethclient_test.go
@@ -17,7 +17,7 @@
 package ethclient
 
 import (
-	"fmt"
+	"errors"
 	"math/big"
 	"reflect"
 	"testing"
@@ -42,7 +42,7 @@ var (
 )
 
 func TestToFilterArg(t *testing.T) {
-	blockHashErr := fmt.Errorf("cannot specify both BlockHash and FromBlock/ToBlock")
+	blockHashErr := errors.New("cannot specify both BlockHash and FromBlock/ToBlock")
 	addresses := []common.Address{
 		common.HexToAddress("0xD36722ADeC3EdCB29c8e7b5a47f352D701393462"),
 	}