diff --git a/variables.tf b/variables.tf
index 3ce0669..180202d 100644
--- a/variables.tf
+++ b/variables.tf
@@ -55,6 +55,7 @@ variable "ssh_private" {
 
 variable "user_password" {
   sensitive = true
+  default   = null
 }
 
 variable "cpu" {