diff --git a/pkg/smartcontract/manifest/standard/comply_test.go b/pkg/smartcontract/manifest/standard/comply_test.go
index 159815cc0..0d218c536 100644
--- a/pkg/smartcontract/manifest/standard/comply_test.go
+++ b/pkg/smartcontract/manifest/standard/comply_test.go
@@ -60,7 +60,7 @@ func TestComplyMethodParameterCount(t *testing.T) {
 	t.Run("Event", func(t *testing.T) {
 		m := fooMethodBarEvent()
 		ev := m.ABI.GetEvent("bar")
-		ev.Parameters = append(ev.Parameters[:0])
+		ev.Parameters = ev.Parameters[:0]
 		err := Comply(m, &Standard{Manifest: *fooMethodBarEvent()})
 		require.True(t, errors.Is(err, ErrInvalidParameterCount))
 	})