diff --git a/src/openapi/customers/se-maileon.yaml b/src/openapi/customers/se-maileon.yaml
index b2c6e44..4f08cc2 100644
--- a/src/openapi/customers/se-maileon.yaml
+++ b/src/openapi/customers/se-maileon.yaml
@@ -5,7 +5,7 @@ info:
     Service Engine APIs for maileon. These are NOT the CRUD APIs to access raw data in the database.
   version: "1.0"
 servers:
-  - url: https://services.acc.api.htm.nl/abt/maileon/2.0
+  - url: https://services.acc.api.htm.nl/abt/maileon/1.0
 tags:
   - name: Customers
     description: >-