diff --git a/code/Controllers/CMSMain.php b/code/Controllers/CMSMain.php
index 08e09a96..6d271c9f 100644
--- a/code/Controllers/CMSMain.php
+++ b/code/Controllers/CMSMain.php
@@ -756,7 +756,7 @@ class CMSMain extends LeftAndMain implements CurrentPageIdentifier, PermissionPr
         if (!SecurityToken::inst()->checkRequest($request)) {
             return $this->httpError(400);
         }
-        if (!Permission::check('SITETREE_REORGANISE') && !Permission::check('ADMIN')) {
+        if (!$this->CanOrganiseSitetree()) {
             return $this->httpError(
                 403,
                 _t(
@@ -862,11 +862,16 @@ class CMSMain extends LeftAndMain implements CurrentPageIdentifier, PermissionPr
             ->setBody(json_encode($statusUpdates));
     }
 
+    /**
+     * Whatever the current member has the permission to reorganise SiteTree objects.
+     * @return bool
+     */
     public function CanOrganiseSitetree()
     {
-        return !Permission::check('SITETREE_REORGANISE') && !Permission::check('ADMIN') ? false : true;
+        return Permission::check('SITETREE_REORGANISE');
     }
 
+
     /**
      * @return boolean
      */
diff --git a/tests/php/Controllers/CMSMainTest.php b/tests/php/Controllers/CMSMainTest.php
index 01a8444a..9f28bb82 100644
--- a/tests/php/Controllers/CMSMainTest.php
+++ b/tests/php/Controllers/CMSMainTest.php
@@ -660,4 +660,24 @@ class CMSMainTest extends FunctionalTest
             $searchSchema
         );
     }
+
+    public function testCanOrganiseSitetree()
+    {
+        $cms = CMSMain::create();
+
+        $this->assertFalse($cms->CanOrganiseSitetree());
+
+        $this->logInWithPermission('CMS_ACCESS_CMSMain');
+        $this->assertFalse($cms->CanOrganiseSitetree());
+
+        $this->logOut();
+        $this->logInWithPermission('SITETREE_REORGANISE');
+        $this->assertTrue($cms->CanOrganiseSitetree());
+
+        $this->logOut();
+        $this->logInWithPermission('ADMIN');
+        $this->assertTrue($cms->CanOrganiseSitetree());
+
+
+    }
 }