Depends what you are doing. Statics? Pulls?
Um, generally, I would wait on this at least until you have a solid back lever. But go for it since I know the rungs probably aren't out far enough that you're going to be tearing up your elbows.
Though if you notice your humerus shrugging up into the shoulder girdle you're not strong enough for that proper progression. Easy way to give yourself impingement or biceps long head problems.