Strange URL behavior - forward slash after .html

I’m running RT 4.0.8 and am running into a strange issue:

Pages that end in .html (such as Build.html for searches) format themselves as follows:

That forward slash after Build.html causes problems, as if I click “Add these terms and search”, it tries to navigate to:

Which obviously doesn’t exist.

I can’t figure out if this is an Apache or RT misconfiguration…any thoughts?

Jonah Hirsch
Application Systems Analyst
Campus Services and Activities - IT Support
(928) 523-6579
[Description: Description: NAU_PrimH_web[1]]