diff --git a/apis_ontology/api/views.py b/apis_ontology/api/views.py
index 6c5df47..ef77632 100644
--- a/apis_ontology/api/views.py
+++ b/apis_ontology/api/views.py
@@ -283,10 +283,7 @@ def get_paginated_response_schema(self, schema):
                                     "type": "integer",
                                 },
                                 "children": {
-                                    "type": "array",
-                                    "items": {
-                                        "$ref": "#/components/schemas/PaginatedWorkPreviewList/properties/facets/properties/work_type",
-                                    },
+                                    "$ref": "#/components/schemas/PaginatedWorkPreviewList/properties/facets/properties/work_type"
                                 },
                             },
                         },