diff --git a/demos/signal-processing/create-nifi-ingestion-job.yaml b/demos/signal-processing/create-nifi-ingestion-job.yaml
index 41c5699d..2333c2ef 100644
--- a/demos/signal-processing/create-nifi-ingestion-job.yaml
+++ b/demos/signal-processing/create-nifi-ingestion-job.yaml
@@ -74,7 +74,7 @@ data:
     import urllib3
 
     # As of 2022-08-29 we cant use "https://nifi:8443" here because <h2>The request contained an invalid host header [<code>nifi:8443</code>] in the request [<code>/nifi-api</code>]. Check for request manipulation or third-party intercept.</h2>
-    ENDPOINT = f"https://nifi-node-default-0.nifi-node-default.{os.environ['NAMESPACE']}.svc.cluster.local:8443" # For local testing / developing replace it, afterwards change back to f"https://nifi-node-default-0.nifi-node-default.{os.environ['NAMESPACE']}.svc.cluster.local:8443"
+    ENDPOINT = f"https://nifi-node-default-0.nifi-node-default-headless.{os.environ['NAMESPACE']}.svc.cluster.local:8443" # You can replace this for local development but don't forget to revert it after.
     USERNAME = "admin"
     PASSWORD = open("/nifi-admin-credentials/admin").read()
 
diff --git a/stacks/signal-processing/nifi.yaml b/stacks/signal-processing/nifi.yaml
index 18c39617..0206a478 100644
--- a/stacks/signal-processing/nifi.yaml
+++ b/stacks/signal-processing/nifi.yaml
@@ -11,7 +11,6 @@ spec:
     custom: oci.stackable.tech/demos/nifi:2.4.0-postgresql
     # pullPolicy: IfNotPresent
   clusterConfig:
-    listenerClass: external-unstable
     authentication:
       - authenticationClass: nifi-users
     sensitiveProperties:
@@ -36,6 +35,8 @@ spec:
             capacity: "4Gi"
           stateRepo:
             capacity: "1Gi"
+    roleConfig:
+      listenerClass: external-unstable
     roleGroups:
       default:
         replicas: 1