diff --git a/src/@types/nested-property.d.ts b/src/@types/nested-property.d.ts
index 6990952efd..097b786a50 100644
--- a/src/@types/nested-property.d.ts
+++ b/src/@types/nested-property.d.ts
@@ -1,3 +1,5 @@
+type Obj = { [key: string]: any };
+
 declare module 'nested-property' {
 	interface IHasNestedPropertyOptions {
 		own?: boolean;
@@ -9,11 +11,11 @@ declare module 'nested-property' {
 
 	export function set<T>(object: T, property: string, value: any): T;
 
-	export function get(object: object, property: string): any;
+	export function get(object: Obj, property: string): any;
 
-	export function has(object: object, property: string, options?: IHasNestedPropertyOptions): boolean;
+	export function has(object: Obj, property: string, options?: IHasNestedPropertyOptions): boolean;
 
-	export function hasOwn(object: object, property: string, options?: IHasNestedPropertyOptions): boolean;
+	export function hasOwn(object: Obj, property: string, options?: IHasNestedPropertyOptions): boolean;
 
-	export function isIn(object: object, property: string, objectInPath: object, options?: IIsInNestedPropertyOptions): boolean;
+	export function isIn(object: Obj, property: string, objectInPath: Obj, options?: IIsInNestedPropertyOptions): boolean;
 }