diff --git a/internal/referenceapp/prometheus-mtls-ref-app.yaml b/internal/referenceapp/prometheus-mtls-ref-app.yaml
index 0275ef9c5..ac5143a24 100644
--- a/internal/referenceapp/prometheus-mtls-ref-app.yaml
+++ b/internal/referenceapp/prometheus-mtls-ref-app.yaml
@@ -11,6 +11,7 @@ spec:
       labels:
         app: prometheus-reference-app
     spec:
+      hostNetwork: true
       containers:
         - name: prometheus-reference-app-golang
           image: mcr.microsoft.com/azuremonitor/containerinsights/cidev/prometheus-collector/images:6.8.1-testTLS-11-10-2023-afd40f4c-ref-app-golang
@@ -23,14 +24,16 @@ spec:
               value: "125000"
           ports:
             - containerPort: 2112
+              hostPort: 2112
               protocol: TCP
               name: "weather-app"
             - containerPort: 2113
+              hostPort: 2113
               protocol: TCP
               name: "untyped-metrics"
       nodeSelector:
           kubernetes.io/os: linux
-          architecture: amd64
+          kubernetes.io/arch: amd64
 ---
 apiVersion: v1
 kind: Service
diff --git a/otelcollector/deploy/addon-chart/azure-monitor-metrics-addon/templates/ama-metrics-targetallocator.yaml b/otelcollector/deploy/addon-chart/azure-monitor-metrics-addon/templates/ama-metrics-targetallocator.yaml
index d61c22343..739edd612 100644
--- a/otelcollector/deploy/addon-chart/azure-monitor-metrics-addon/templates/ama-metrics-targetallocator.yaml
+++ b/otelcollector/deploy/addon-chart/azure-monitor-metrics-addon/templates/ama-metrics-targetallocator.yaml
@@ -146,6 +146,9 @@ spec:
           - mountPath: /etc/config/settings
             name: settings-vol-config
             readOnly: true
+          - mountPath: /etc/prometheus/certs
+            name: ama-metrics-tls-secret-volume
+            readOnly: true
           - mountPath: /etc/config/settings/prometheus
             name: prometheus-config-vol
             readOnly: true
@@ -239,6 +242,10 @@ spec:
         configMap:
           name: ama-metrics-prometheus-config
           optional: true
+      - name: ama-metrics-tls-secret-volume
+        secret:
+          secretName: ama-metrics-mtls-secret
+          optional: true
       - name: ta-config-shared
         emptyDir: {}
 {{- end }}