diff --git a/step/createbackup/lib.php b/step/createbackup/lib.php
index 5c0fa5a0c4cf9fe0a9110c2d7ab42208ad884764..ae38c21cb9c40a4210ac831b603dcff45d0413e1 100644
--- a/step/createbackup/lib.php
+++ b/step/createbackup/lib.php
@@ -101,7 +101,7 @@ class createbackup extends libbase {
      */
     public function instance_settings() {
         return array(
-            new instance_setting('maximumbackupspercron', PARAM_INT),
+            new instance_setting('maximumbackupspercron', PARAM_INT, true),
         );
     }
 
diff --git a/step/deletecourse/lib.php b/step/deletecourse/lib.php
index 2480cf220b85033246dc246ba00ebd81019aa991..3503f159f53e5a9d96b863c1a402a0c996d59f3d 100644
--- a/step/deletecourse/lib.php
+++ b/step/deletecourse/lib.php
@@ -95,7 +95,7 @@ class deletecourse extends libbase {
      */
     public function instance_settings() {
         return array(
-            new instance_setting('maximumdeletionspercron', PARAM_INT),
+            new instance_setting('maximumdeletionspercron', PARAM_INT, true),
         );
     }