diff --git a/examples/cookie/main.go b/examples/cookie/main.go
index 2572558..ff3f7d9 100644
--- a/examples/cookie/main.go
+++ b/examples/cookie/main.go
@@ -71,7 +71,7 @@ func main() {
 func setcookies(host string, res *string) cdp.Tasks {
 	return cdp.Tasks{
 		cdp.ActionFunc(func(ctxt context.Context, h cdptypes.Handler) error {
-			expr := cdptypes.Timestamp(time.Now().Add(180 * 24 * time.Hour))
+			expr := cdptypes.TimeSinceEpoch(time.Now().Add(180 * 24 * time.Hour))
 			success, err := network.SetCookie(host, "cookiename", "cookievalue").
 				WithExpirationDate(&expr).
 				WithDomain("localhost").