diff --git a/src/atoms/list-atom/listAtom.ts b/src/atoms/list-atom/listAtom.ts
index fea681d..5cc251c 100644
--- a/src/atoms/list-atom/listAtom.ts
+++ b/src/atoms/list-atom/listAtom.ts
@@ -66,7 +66,7 @@ export type ListAtom<Fields extends FormFields, Value> = ExtendFieldAtom<
      * @internal
      */
     _formFields: Atom<Fields[]>;
-    buildItem(): ListItemForm<Fields>;
+    buildItem(fields?: Fields): ListItemForm<Fields>;
   }
 >;
 
@@ -102,22 +102,16 @@ export function listAtom<
     }
   }
 
-  function buildItem(): ListItemForm<Fields> {
+  function buildItem(fields?: Fields): ListItemForm<Fields> {
     return listItemForm({
-      fields: formBuilder(),
+      fields: fields ?? formBuilder(),
       getListNameAtom: (get) => get(self).name,
       formListAtom: _formListAtom,
     });
   }
 
   const makeFormList = (): ListItemForm<Fields>[] =>
-    formBuilder(config.value).map((fields) =>
-      listItemForm({
-        fields,
-        getListNameAtom: (get) => get(self).name,
-        formListAtom: _formListAtom,
-      }),
-    );
+    formBuilder(config.value).map(buildItem);
 
   const initialFormListAtom = atomWithDefault(makeFormList);
   const _formListAtom = atomWithDefault((get) => get(initialFormListAtom));
diff --git a/src/hooks/use-list-actions/useListActions.ts b/src/hooks/use-list-actions/useListActions.ts
index f325b10..9740e4e 100644
--- a/src/hooks/use-list-actions/useListActions.ts
+++ b/src/hooks/use-list-actions/useListActions.ts
@@ -3,7 +3,6 @@ import { useAtomValue, useSetAtom } from "jotai";
 import { useCallback, useMemo, useTransition } from "react";
 
 import { ListAtom, ListItem } from "../../atoms/list-atom";
-import { listItemForm } from "../../atoms/list-atom/listItemForm";
 
 export const useListActions = <Fields extends FormFields, Value>(
   listAtom: ListAtom<Fields, Value>,
@@ -24,13 +23,7 @@ export const useListActions = <Fields extends FormFields, Value>(
   const add = useCallback((before?: ListItem<Fields>, fields?: Fields) => {
     dispatchSplitList({
       type: "insert",
-      value: fields
-        ? listItemForm({
-            fields,
-            getListNameAtom: (get) => get(listAtom).name,
-            formListAtom: atoms._formList,
-          })
-        : atoms.buildItem(),
+      value: atoms.buildItem(fields),
       before,
     });
     startTransition(() => {