1 files changed, 1 insertions, 1 deletions
diff --git a/lib/models/Courseware/Instance.php b/lib/models/Courseware/Instance.php
index 9776ed1..c2804d1 100755
--- a/lib/models/Courseware/Instance.php
+++ b/lib/models/Courseware/Instance.php
@@ -87,7 +87,7 @@ class Instance
             \UserConfig::get($config->range_id)->store('COURSEWARE_LAST_ELEMENT', $arr);
         }
 
-        $root = self::getRoot();
+        $root = $instance->getRoot();
         $root->delete();
     }