diff --git a/charts/virtual-machine/values.yaml b/charts/virtual-machine/values.yaml
index d5e6bbf..79ea0a9 100644
--- a/charts/virtual-machine/values.yaml
+++ b/charts/virtual-machine/values.yaml
@@ -6,6 +6,6 @@
   size: 64Gi
 ports: []
 cloudInit:
-  userData: {}
-  networkData: {}
+  userData: "" # base64 encoded
+  networkData: "" # base64 encoded
 ports: []