IE tweaks in simple_header should be included the same as in overall_header

Not sure if this is should be reported or not, the overall header template loads the tweaks.css file if IE9 is in use but the simple header template loads it if IE8 is in use.

overall_header.html

<!--[if lte IE 9]>

    <link href="{T_THEME_PATH}/tweaks.css?assets_version={T_ASSETS_VERSION}" rel="stylesheet">

<![endif]-->

simple_header.html

<!--[if lte IE 8]>

    <link href="{T_THEME_PATH}/tweaks.css?assets_version={T_ASSETS_VERSION}" rel="stylesheet">

<![endif]--> 

Should they be different? or should they be the same?