This particular issue is fixed with https://github.com/hughsie/appstream-glib/commit/a1481d201d089f9e70a0cf48a0424315e0f6cdaf which is part of the recently tagged 0.7.4 release.
This particular issue is fixed with https://github.com/hughsie/appstream-glib/commit/a1481d201d089f9e70a0cf48a0424315e0f6cdaf which is part of the recently tagged 0.7.4 release.