User with Admin-Rights can't request Access to Repos

Summary

User with Admin-Rights can't request Access to Repos

GitLab-Version: 8.14.2

Steps to reproduce

• Login as a User with admin rights
• Browse to an repo with "Allow users to request access" enabled
• "Request Access" Button doesn't show up

Expected behavior

I would like to request access like a normal user.

Actual behavior

"Request Access" Button doesn't show up