update
diff --git a/charts/virtual-machine/templates/secret-network-data.yaml b/charts/virtual-machine/templates/secret-network-data.yaml
index 937d950..cf618ff 100644
--- a/charts/virtual-machine/templates/secret-network-data.yaml
+++ b/charts/virtual-machine/templates/secret-network-data.yaml
@@ -3,5 +3,5 @@
 metadata:
   name: {{ .Values.name }}-network-data
 type: Opaque
-data:
+stringData:
   networkdata: |{{- .Values.cloudInit.networkData | toYaml | nindent 4 }}