[BUG] Fix IE11 using a different path which makes its signature invalid. WC-1671

This is just a quick and dirty patch. I would write something better, but my
plane is about to start boarding. :)

You guys take it from here.
Merge pull request #1202 from justmoon/feature/fix_ie11

[BUG] Fix IE11 using a different path which makes its signature invalid
Tested and is working