problem with arrow combobox

Hi,

I have an difference with fonts when I use http and when I use https:

For http, I have just eot font in ie11 (it work, my arrow in combobox work) :

/VAADIN/themes/valo/fonts/open-sans/OpenSans-Light-webfont.eot
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Regular-webfont.eot
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Semibold-webfont.eot
/VAADIN/themes/base/fonts/themeicons-webfont.eot

/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Regular-webfont.eot
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Light-webfont.eot
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Semibold-webfont.eot
/VAADIN/themes/mytheme/fonts/themeicons-webfont.eot

But for https, I have other fonts in ie11 (it doesn’t work, my arrow in combobox don’t work) :

/VAADIN/themes/valo/fonts/open-sans/OpenSans-Light-webfont.eot
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Regular-webfont.eot
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Semibold-webfont.eot
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Light-webfont.woff
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Regular-webfont.woff
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Semibold-webfont.woff
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Light-webfont.ttf
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Regular-webfont.ttf
/VAADIN/themes/valo/fonts/open-sans/OpenSans-Semibold-webfont.ttf
/VAADIN/themes/base/fonts/themeicons-webfont.eot
/VAADIN/themes/base/fonts/themeicons-webfont.woff
/VAADIN/themes/base/fonts/themeicons-webfont.ttf

/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Light-webfont.eot
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Regular-webfont.eot
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Semibold-webfont.eot
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Light-webfont.woff
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Regular-webfont.woff
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Semibold-webfont.woff
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Light-webfont.ttf
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Regular-webfont.ttf
/VAADIN/themes/mytheme/fonts/open-sans/OpenSans-Semibold-webfont.ttf
/VAADIN/themes/mytheme/fonts/themeicons-webfont.eot
/VAADIN/themes/mytheme/fonts/themeicons-webfont.woff
/VAADIN/themes/mytheme/fonts/themeicons-webfont.ttf

Why I have difference ?