diff --git a/src/config/keys.ts b/src/config/keys.ts
index ef0c1a87..e0ee514f 100644
--- a/src/config/keys.ts
+++ b/src/config/keys.ts
@@ -43,7 +43,7 @@ export const buildItemsChildrenKey = (ids: UUID[]) => [
   'children',
   hashItemsIds(ids),
 ];
-export const buildItemDescendantsKey = (id: UUID) => [
+export const buildItemDescendantsKey = (id?: UUID) => [
   ITEMS_CONTEXT,
   'descendants',
   id,
diff --git a/src/hooks/item.ts b/src/hooks/item.ts
index 4e2b2f54..a1407b4c 100644
--- a/src/hooks/item.ts
+++ b/src/hooks/item.ts
@@ -250,11 +250,16 @@ export default (
       });
     },
 
-    useDescendants: ({ id, enabled }: { id: UUID; enabled?: boolean }) => {
+    useDescendants: ({ id, enabled }: { id?: UUID; enabled?: boolean }) => {
       const queryClient = useQueryClient();
       return useQuery({
         queryKey: buildItemDescendantsKey(id),
-        queryFn: () => Api.getDescendants({ id }, queryConfig),
+        queryFn: () => {
+          if (!id) {
+            throw new UndefinedArgument();
+          }
+          return Api.getDescendants({ id }, queryConfig);
+        },
         onSuccess: async (items) => {
           if (items?.length) {
             // save items in their own key