diff --git a/inventory_provider/db/ims_data.py b/inventory_provider/db/ims_data.py
index 66583ae0ca26d2f2258bffa9a3d86c181590ce63..20efd5c1af2846e0cc355b20871dcc5968d35169 100644
--- a/inventory_provider/db/ims_data.py
+++ b/inventory_provider/db/ims_data.py
@@ -109,18 +109,14 @@ def get_service_types(ds: IMS):
 def get_customer_service_emails(ds: IMS):
 
     customer_contacts = defaultdict(set)
+
     for x in ds.get_filtered_entities(
         'customerrelatedcontact',
-        "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.mail != ''",
+        "contact.troubleticketMail != ''",
         CUSTOMER_RELATED_CONTACT_PROPERTIES['Contact']
     ):
-        customer_contacts[x['customerid']].add(x['contact']['mail'])
+        customer_contacts[x['customerid']].add(
+            x['contact']['troubleticketMail'])
     for k, v in customer_contacts.items():
         yield k, sorted(list(v))