Comment # 1 on bug 1071961 from Stefan Seyfried

This issue has been introduced upstream by commit
https://git.xfce.org/apps/xfce4-terminal/commit/?id=5175d5ef5e6c9e92f4d296948528ac4bef35fe9d

I guess they had a reason to implement this.
Please file a bug at https://bugzilla.xfce.org/ to get this fixed upstream.