Update certificate error

Hi. I’m trying to update my expired certificate in my rancher setup following this guide:

but I’m getting an error when I try to create a new secret:

error: failed to create secret Post “https://rancher.mydomain/k8s/clusters/local/api/v1/namespaces/cattle-system/secrets?fieldManager=kubectl-create&fieldValidation=Strict”: x509: certificate is valid for ingress.local, not rancher.mydomain

Any ideas?