diff --git a/charts/gitops-runtime/templates/hooks/pre-install/validate-values.yaml b/charts/gitops-runtime/templates/hooks/pre-install/validate-values.yaml
index 8c33193e..543c124b 100644
--- a/charts/gitops-runtime/templates/hooks/pre-install/validate-values.yaml
+++ b/charts/gitops-runtime/templates/hooks/pre-install/validate-values.yaml
@@ -1,4 +1,17 @@
 {{- if  not .Values.installer.skipValidation }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: validate-values-config
+  annotations:
+    helm.sh/hook: pre-install,pre-upgrade
+    helm.sh/hook-delete-policy: hook-succeeded,before-hook-creation,hook-failed
+    helm.sh/hook-weight: "-10"
+data:
+  values.yaml: |
+{{ .Values | toYaml | indent 4 }}
+
+---
 apiVersion: batch/v1
 kind: Job
 metadata:
@@ -26,7 +39,12 @@ spec:
           value: {{ .Chart.Version }}
         command: ["sh", "-c"]
         args: 
-        - |
-          echo {{ .Values | toYaml | quote }} > values.yaml
-          cf helm validate --values values.yaml --namespace ${NAMESPACE} --version ${VERSION} --hook --log-level debug
+        - cf helm validate --values /job_tmp/values.yaml --namespace ${NAMESPACE} --version ${VERSION} --hook --log-level debug
+        volumeMounts:
+        - name: customized-values
+          mountPath: "/job_tmp"
+      volumes:
+      - name: customized-values
+        configMap:
+          name: validate-values-config  
 {{- end }}