diff --git a/modules/merge/outputs.tf b/modules/merge/outputs.tf
index 398255f..240ca50 100644
--- a/modules/merge/outputs.tf
+++ b/modules/merge/outputs.tf
@@ -1,4 +1,4 @@
 output "container_definitions" {
   description = "A list of container definitions in JSON format that describe the different containers that make up your task"
-  value       = "${format("[%s]", join(",", var.container_definitions))}"
+  value       = format("[%s]", join(",", var.container_definitions))
 }