diff --git a/gestao/web/api/document/utils.py b/gestao/web/api/document/utils.py
index c123610..f050d47 100644
--- a/gestao/web/api/document/utils.py
+++ b/gestao/web/api/document/utils.py
@@ -29,7 +29,7 @@ def generate_affiliation_file(user: User):
     docx_replace(
         doc,
         **{
-            "cpf": user.cpf,
+            "cpf": user.cpf[:3] + '.' + user.cpf[3:6] + '.' + user.cpf[6:9] + '-' + user.cpf[9:],
             "name": user.name,
             "date": date_string,
         },