update
diff --git a/charts/virtual-machine/values.yaml b/charts/virtual-machine/values.yaml
index c621289..6c8b642 100644
--- a/charts/virtual-machine/values.yaml
+++ b/charts/virtual-machine/values.yaml
@@ -6,4 +6,4 @@
   size: 64Gi
 ports: []
 cloudInit:
-  userData: ""
+  userData: {}