diff --git a/brian_dashboard_manager/grafana/provision.py b/brian_dashboard_manager/grafana/provision.py
index d4c17fa9beefc270c6e0eebd93d1ff0cf83eec4e..24e96aad08eb5ac94880a7295158ad30d1083b79 100644
--- a/brian_dashboard_manager/grafana/provision.py
+++ b/brian_dashboard_manager/grafana/provision.py
@@ -239,9 +239,9 @@ def provision_folder(token_request, folder_name, dash, services, regions,
         customers = []
         region_lookup = {region['nren']: region['region'] for region in regions}
         for service in services:
-            service_customers = service.get('customers')
+            service_customers = service.get('customers', [])
             for cust in service_customers:
-                cust_region = region_lookup.get(cust, None)
+                cust_region = region_lookup.get(cust)
                 if cust_region == region:
                     customers.append(cust)
         return customers
diff --git a/brian_dashboard_manager/templating/helpers.py b/brian_dashboard_manager/templating/helpers.py
index 3621734e1681e276bae9e2f990cecef93f03ab9b..01d1528aef000d486a659d66025ce6ada6084b2d 100644
--- a/brian_dashboard_manager/templating/helpers.py
+++ b/brian_dashboard_manager/templating/helpers.py
@@ -240,7 +240,7 @@ def get_nren_interface_data(services, interfaces, excluded_dashboards, region_cu
     aggregate_interfaces = dict()
 
     for service in services:
-        _customers = service.get('customers')
+        _customers = service.get('customers', [])
         for cust in _customers:
             if cust.lower() in excluded_dashboards:
                 continue