diff --git a/core/lib/Thelia/Model/Category.php b/core/lib/Thelia/Model/Category.php
index ea522b1cc..067c54fc1 100755
--- a/core/lib/Thelia/Model/Category.php
+++ b/core/lib/Thelia/Model/Category.php
@@ -106,7 +106,7 @@ class Category extends BaseCategory
     public function preDelete(ConnectionInterface $con = null)
     {
         $this->dispatchEvent(TheliaEvents::BEFORE_DELETECATEGORY, new CategoryEvent($this));
-
+        $this->reorderBeforeDelete();
         return true;
     }
 
diff --git a/core/lib/Thelia/Model/Folder.php b/core/lib/Thelia/Model/Folder.php
index d143f8a8f..4b32e7591 100755
--- a/core/lib/Thelia/Model/Folder.php
+++ b/core/lib/Thelia/Model/Folder.php
@@ -94,7 +94,7 @@ class Folder extends BaseFolder
     public function preDelete(ConnectionInterface $con = null)
     {
         $this->dispatchEvent(TheliaEvents::BEFORE_DELETEFOLDER, new FolderEvent($this));
-
+        $this->reorderBeforeDelete();
         return true;
     }
 
diff --git a/core/lib/Thelia/Model/Tools/PositionManagementTrait.php b/core/lib/Thelia/Model/Tools/PositionManagementTrait.php
index 642d07402..d299fd3fc 100644
--- a/core/lib/Thelia/Model/Tools/PositionManagementTrait.php
+++ b/core/lib/Thelia/Model/Tools/PositionManagementTrait.php
@@ -198,4 +198,11 @@ trait PositionManagementTrait {
             }
         }
     }
+
+    protected function reorderBeforeDelete()
+    {
+        $this->createQuery()
+            ->filterByParent($this->getParent())
+            ->update(array('Position' => '(position-1)'));
+    }
 }
\ No newline at end of file