diff --git a/testing-framework/runners/k8s/helm/nomos-runner/templates/_helpers.tpl b/testing-framework/runners/k8s/helm/nomos-runner/templates/_helpers.tpl
index 1665098..a8d3245 100644
--- a/testing-framework/runners/k8s/helm/nomos-runner/templates/_helpers.tpl
+++ b/testing-framework/runners/k8s/helm/nomos-runner/templates/_helpers.tpl
@@ -39,3 +39,12 @@ app.kubernetes.io/name: {{ include "nomos-runner.chart" . }}
 app.kubernetes.io/instance: {{ .Release.Name }}
 nomos/logical-role: prometheus
 {{- end -}}
+
+{{- define "nomos-runner.cfgsyncPort" -}}
+{{- $env := env "NOMOS_CFGSYNC_PORT" -}}
+{{- if $env -}}
+{{ $env | int }}
+{{- else -}}
+{{ .Values.cfgsync.port | int }}
+{{- end -}}
+{{- end -}}
diff --git a/testing-framework/runners/k8s/helm/nomos-runner/templates/cfgsync-deployment.yaml b/testing-framework/runners/k8s/helm/nomos-runner/templates/cfgsync-deployment.yaml
index bc497dd..1058072 100644
--- a/testing-framework/runners/k8s/helm/nomos-runner/templates/cfgsync-deployment.yaml
+++ b/testing-framework/runners/k8s/helm/nomos-runner/templates/cfgsync-deployment.yaml
@@ -23,7 +23,7 @@ spec:
           command: ["/etc/nomos/scripts/run_cfgsync.sh"]
           ports:
             - name: http
-              containerPort: {{ .Values.cfgsync.port }}
+              containerPort: {{ include "nomos-runner.cfgsyncPort" . }}
           env:
             - name: RUST_LOG
               value: debug
diff --git a/testing-framework/runners/k8s/helm/nomos-runner/templates/cfgsync-service.yaml b/testing-framework/runners/k8s/helm/nomos-runner/templates/cfgsync-service.yaml
index db09c16..c9199a2 100644
--- a/testing-framework/runners/k8s/helm/nomos-runner/templates/cfgsync-service.yaml
+++ b/testing-framework/runners/k8s/helm/nomos-runner/templates/cfgsync-service.yaml
@@ -11,5 +11,5 @@ spec:
     nomos/component: cfgsync
   ports:
     - name: http
-      port: {{ .Values.cfgsync.port }}
+      port: {{ include "nomos-runner.cfgsyncPort" . }}
       targetPort: http
diff --git a/testing-framework/runners/k8s/helm/nomos-runner/values.yaml b/testing-framework/runners/k8s/helm/nomos-runner/values.yaml
index 8c66c56..9f9f561 100644
--- a/testing-framework/runners/k8s/helm/nomos-runner/values.yaml
+++ b/testing-framework/runners/k8s/helm/nomos-runner/values.yaml
@@ -2,7 +2,7 @@ image: "nomos-testnet:local"
 imagePullPolicy: IfNotPresent
 
 cfgsync:
-  port: {{ default 4400 (env "NOMOS_CFGSYNC_PORT") | int }}
+  port: 4400
   config: ""
 
 scripts: