Comment 9 for bug 1537528

I have built a test ppa with the fix [1].

That fixes the issue for me, I'd need a review [2] to feel confident going forward but it LGTM.

[1]: https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/3309
[2]: https://code.launchpad.net/~paelzer/ubuntu/+source/slang2/+git/slang2/+merge/348667