diff --git a/brian_dashboard_manager/templating/helpers.py b/brian_dashboard_manager/templating/helpers.py
index 22f313770cb1ab3dd6a1c97af5204108c54d0905..c77f8409efb3badf729f8e0e498142ec3de0ac4d 100644
--- a/brian_dashboard_manager/templating/helpers.py
+++ b/brian_dashboard_manager/templating/helpers.py
@@ -248,7 +248,7 @@ def get_nren_interface_data(services, interfaces, excluded_dashboards, region_cu
         for cust in _customers:
             if cust.lower() in excluded_dashboards:
                 continue
-            if cust not in region_customers:
+            if region_customers and cust not in region_customers:
                 continue
             customers[cust].append(service)