CI broken build emails have broken link

Just got email about broken build from gitlab (version 8.4.2)

Project: my-project
Commit: 4749a7df
Author: Denis Gladkikh
Branch: master
Stage: test
Job: test
Message: Combine www and naked
Build details: Build 146

This email has links

• Project -> https://myhost.com/ci/projects/my-project - Broken link
• Commit -> https://myhost.com/my-group/my-project/commit/4749a7df6dc84f91c6161f1038d344068da3ed33 - Ok
• Build -> https://myhost.com/my-group/my-project/builds/146 - Ok

All links are good except one Project which still points to the old CI urls. This url shows 404.