A giant pharmacy benefit manager has patched things up with a giant pharmacy chain.

Walgreen Company, Deerfield, Ill., the parent of the Walgreens drugstore chain, and CVS Corp., Woonsocket, R.I., say Walgreens will continue to be part of the CVS Caremark national retail PBM network for existing, new and renewal prescription plans.

Earlier this month, Walgreen said it was breaking up with CVS because CVS Caremark reimbursement practices were too unpredictable.

Walgreen and CVS are not disclosing the financial terms of their new contract.