diff --git a/types/index.d.ts b/types/index.d.ts
index 3da51d5..2adcc41 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -14,14 +14,17 @@ export default class AsyncComputed {
 
 export type AsyncComputedGetter<T> = () => Promise<T>;
 
-export interface IAsyncComputedValue<T> {
+export interface IAsyncComputedValueBase<T> {
   default?: T | (() => T);
-  get: AsyncComputedGetter<T>;
   watch?: string[] | (() => void);
   shouldUpdate?: () => boolean;
   lazy?: boolean;
 }
 
+export interface IAsyncComputedValue<T> extends IAsyncComputedValueBase<T> {
+  get: AsyncComputedGetter<T>;
+}
+
 export interface AsyncComputedObject {
   [K: string]: AsyncComputedGetter<any> | IAsyncComputedValue<any>;
 }