diff --git a/inventory_provider/db/ims_data.py b/inventory_provider/db/ims_data.py
index 19ec47d110472b5593ce30d753705f3089bd29a6..308ba5a894a35b7e03ec2d539021bb0b91b8fd90 100644
--- a/inventory_provider/db/ims_data.py
+++ b/inventory_provider/db/ims_data.py
@@ -111,13 +111,13 @@ def get_customer_service_emails(ds: IMS):
     customer_contacts = defaultdict(set)
     for x in ds.get_filtered_entities(
         'customerrelatedcontact',
-        "contact.plannedworkmail != ''",
+        "contact.plannedworkmail != '' | contact.mail != ''",
         CUSTOMER_RELATED_CONTACT_PROPERTIES['Contact']
     ):
         customer_contacts[x['customerid']].add(x['contact']['mail'])
     for x in ds.get_filtered_entities(
         'customerrelatedcontact',
-        "contact.troubleticketMail != ''",
+        "contact.troubleticketMail != '' | contact.mail != ''",
         CUSTOMER_RELATED_CONTACT_PROPERTIES['Contact']
     ):
         customer_contacts[x['customerid']].add(x['contact']['mail'])