--- a/src/pyams_content/root/zmi/sites.py	Mon Jun 04 16:43:56 2018 +0200
+++ b/src/pyams_content/root/zmi/sites.py	Tue Jun 05 09:38:57 2018 +0200
@@ -155,11 +155,32 @@
         return super(SiteTreeTrashColumn, self).has_permission(item) and item.is_deletable()
 
 
-@view_config(name='delete-shared-site.json', context=ISiteRoot, request_type=IPyAMSLayer,
+@view_config(name='delete-element.json', context=ISiteRoot, request_type=IPyAMSLayer,
              permission=MANAGE_SITE_ROOT_PERMISSION, renderer='json', xhr=True)
 def delete_shared_site(request):
     """Delete shared site from site manager"""
-    if not request.context.is_deletable():
+    translate = request.localizer.translate
+    # Get object name to be removed
+    name = request.params.get('object_name')
+    if not name:
+        return {
+            'status': 'message',
+            'messagebox': {
+                'status': 'error',
+                'content': translate(_("No provided object_name argument!"))
+            }
+        }
+    # Check context
+    if name not in request.context:
+        return {
+            'status': 'message',
+            'messagebox': {
+                'status': 'error',
+                'content': translate(_("Given element name doesn't exist!"))
+            }
+        }
+    context = request.context[name]
+    if not context.is_deletable():
         raise NotFound()
     return delete_container_element(request, ignore_permission=True)