diff --git a/test/acceptance/tests/setup/variables.tf b/test/acceptance/tests/setup/variables.tf
index 28bf01b..4593903 100644
--- a/test/acceptance/tests/setup/variables.tf
+++ b/test/acceptance/tests/setup/variables.tf
@@ -48,6 +48,7 @@ variable "consul_image" {
 
 variable "ecr_image_uri" {
   type = string
+  default = ""
 }
 
 variable "consul_license" {