As the mistake was performed because of the god Indra, he grants Hanuman a wish that his system will be as potent as Indra's Vajra, and that his Vajra may not damage him. Coupled with Indra other gods have also granted him wishes: the God Agni granted Hanuman a want https://hanumanjimandir.game.blog/2024/11/16/spiritual-connections-in-adelaide-temples-and-sacred-spaces/