diff --git a/components/schemas/infrastructure/auto-scale/groups/AutoScaleGroupScale.yml b/components/schemas/infrastructure/auto-scale/groups/AutoScaleGroupScale.yml
index 15f0784d..41fe4fbc 100644
--- a/components/schemas/infrastructure/auto-scale/groups/AutoScaleGroupScale.yml
+++ b/components/schemas/infrastructure/auto-scale/groups/AutoScaleGroupScale.yml
@@ -3,22 +3,26 @@ type: object
 properties:
   down:
     title: AutoScaleGroupScaleDown
-    type: object
-    properties:
-      min_ttl:
-        description: "The minimum TTL for the server once deployed through an autoscale event."
-        $ref: ../../../Duration.yml
-      inactivity_period:
-        description: "The amount of time between last instance deployed and when the server can begin to get deleted."
-        $ref: ../../../Duration.yml
-      method:
-        type: string
-        enum:
-          - fifo
-          - lifo
+    oneOf:
+      - type: object
+        properties:
+          min_ttl:
+            description: "The minimum TTL for the server once deployed through an autoscale event."
+            $ref: ../../../Duration.yml
+          inactivity_period:
+            description: "The amount of time between last instance deployed and when the server can begin to get deleted."
+            $ref: ../../../Duration.yml
+          method:
+            type: string
+            enum:
+              - fifo
+              - lifo
+      - type: "null"
   up:
     title: AutoScaleGroupScaleUp
-    type: object
-    properties:
-      maximum:
-        type: integer
+    oneOf:
+      - type: object
+        properties:
+          maximum:
+            type: integer
+      - type: "null"