Bhagavatapurana 4.6.41

4.6.41

tathāpare siddha-gaṇā maharṣibhir ye vai samantād anu nīlalohitam /
namaskṛtaḥ prāha śaśāṅka-śekharaṃ kṛta-praṇāmaṃ prahasann ivātmabhūḥ //

41. So also all the Siddhas and the great Rishis (seated) around Siva thereafter worshipped Brahma; thus bowed to by all, Brahma smilingly says (said) to Śiva who wears the crescent moon on his head, after he had made his obeisance.