diff --git a/terraform/all-in-one.md b/terraform/all-in-one.md
index 47e18e7d..5770302f 100644
--- a/terraform/all-in-one.md
+++ b/terraform/all-in-one.md
@@ -122,6 +122,8 @@ No resources.
 
 ## Outputs
 
-No outputs.
+| Name                                                  | Description                                                |
+| ----------------------------------------------------- | ---------------------------------------------------------- |
+| <a name="output_result"></a> [result](#output_result) | The resulting store path from building `nixos_system_attr` |
 
 <!-- END_TF_DOCS -->
diff --git a/terraform/all-in-one/main.tf b/terraform/all-in-one/main.tf
index 451c3abc..b25cbf3e 100644
--- a/terraform/all-in-one/main.tf
+++ b/terraform/all-in-one/main.tf
@@ -46,3 +46,7 @@ module "nixos-rebuild" {
   target_host = var.target_host
   target_user = var.target_user
 }
+
+output "result" {
+  value = module.system-build.result
+}