diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index d3fb2f6..44d7d00 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.6.5"
+version: "2.6.6"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"
diff --git a/voltha-adapter-openonu/templates/openonu-py-statefulset.yaml b/voltha-adapter-openonu/templates/openonu-py-statefulset.yaml
index 0c3833b..15517b2 100644
--- a/voltha-adapter-openonu/templates/openonu-py-statefulset.yaml
+++ b/voltha-adapter-openonu/templates/openonu-py-statefulset.yaml
@@ -112,4 +112,6 @@
           valueFrom:
             fieldRef:
               fieldPath: metadata.labels['app.kubernetes.io/name']
+        - name: KV_STORE_DATAPATH_PREFIX
+          value: {{ .Values.defaults.kv_store_data_prefix }}
 {{- end }}