Incorrect functionality of "Themes on Page"

Login to the JCommune
Click Profile
Click Edit, Enter any number to the Themes on Page field. Click Save
Go to the branch with themecount more than u entered last step.

Expected result: You will got (themecount/themes on page) pages with (themes on pages) on every of them

Actual result: You will got (themecount/themes on page) pages with (themecount) on every of them