my procedural material disappear whith the shrinkwrap modifier

https://preview.redd.it/pu4e3dotoxzg1.png?width=1920&format=png&auto=webp&s=124b32b38734b416b01d81ba0e5eaa45bc569c1e

https://preview.redd.it/m79ruq3voxzg1.png?width=2050&format=png&auto=webp&s=41c8ab6b6c0a17aac54c2363be50686b5f1490c9

When I make the shrinkwrap modifier visible in the wiewport on the round of the iris, I can no longer see the procedural ink stain texture I made

I also made sure to have the iris shrinkwraped slightly above the eye