IE10 incompatible on table border design

Hi,

I have a static HTML-page which contains several tables.

On some tables the border size is set to "1":

<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="100%" id="AutoNumber2">

In other browsers like IE9 oder Mozilla the border is correctly drawn in 1 pixel size. But IE10 draws an ugly 2 pixel large table frame. Setting IE10 to 'compatibility view' correctly displays the page.

A bug in IE10?

Thanks,

Patrick