The Image in toolbar "Rezise" double

Hi friends.
i have a problem in a toolbaritem icon
in android the icon look ok.
but in IOS look like "Scale | Rezise"
Do you have any idea why is that?
i am test, Iphone 5 IOS 9

this is the code.

`var moreButton = new ToolbarItem {
Icon = "dots.png",
Order = ToolbarItemOrder.Primary,
Command = new Command (async () => await this.Navigation.PushAsync (new IGS.More.More()))
};

        ToolbarItems.Add (moreButton); `

in Android look

and IOS Look