diff --git a/ckan/controllers/group.py b/ckan/controllers/group.py
index 5cd3cd64a7d..9656ac5214f 100644
--- a/ckan/controllers/group.py
+++ b/ckan/controllers/group.py
@@ -166,6 +166,9 @@ def index(self):
 
     def read(self, id, limit=20):
         group_type = self._get_group_type(id.split('@')[0])
+        if group_type != self.group_type:
+            abort(404, _('Incorrect group type'))
+
         context = {'model': model, 'session': model.Session,
                    'user': c.user or c.author,
                    'schema': self._db_to_form_schema(group_type=group_type),