diff --git a/applications/jupyter/variables.tf b/applications/jupyter/variables.tf
index 04d911b59..a2e322a1d 100644
--- a/applications/jupyter/variables.tf
+++ b/applications/jupyter/variables.tf
@@ -112,6 +112,7 @@ variable "url_domain_name" {
 variable "support_email" {
   type        = string
   description = "Email for users to contact with questions about their consent"
+  default     = ""
 }
 
 variable "client_id" {