Shiva Purana
अजरामरतां नीतस्तीर्त्वा शापं पुनश्च सः ॥ शंकरेण कृतः प्रीत्या नित्यं लम्बोदरानुगः ॥ ६४ ॥
Thus passing through the curse he was made free from death and old age by Śiva and lovingly appointed as a permanent follower of Gaṇeśa.
english translation
ajarAmaratAM nItastIrtvA zApaM punazca saH ॥ zaMkareNa kRtaH prItyA nityaM lambodarAnugaH ॥ 64 ॥
hk transliteration by Sanscript