diff --git a/charts/common/Chart.yaml b/charts/common/Chart.yaml
index a728e41..6c3e296 100644
--- a/charts/common/Chart.yaml
+++ b/charts/common/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: common
 description: A generic helm chart for Kubernetes
 type: application
-version: 0.11.0
+version: 0.11.1
 maintainers:
   - name: Parity
     url: https://github.com/paritytech/helm-charts
diff --git a/charts/common/templates/service.yaml b/charts/common/templates/service.yaml
index 1d7dcee..afe2dad 100644
--- a/charts/common/templates/service.yaml
+++ b/charts/common/templates/service.yaml
@@ -14,8 +14,10 @@ spec:
   {{- if .Values.service.sessionAffinity }}
   sessionAffinity: {{ .Values.service.sessionAffinity }}
   {{- end }}
+  {{- if .Values.service.ports }}
   ports:
 {{ toYaml .Values.service.ports | indent 4 }}
+  {{- end }}
   selector:
     {{- include "common.selectorLabels" . | nindent 4 }}