diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/store.model.ts b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/store.model.ts
index 870dc4b06e..71e4c08ca9 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/store.model.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/store.model.ts
@@ -10,6 +10,6 @@ export interface ManifestTreeStore extends ManifestApi<UmbTreeStore<any>> {
 	type: 'treeStore';
 }
 
-export interface ManifestItemStore extends ManifestApi<UmbItemStore> {
+export interface ManifestItemStore extends ManifestApi<UmbItemStore<any>> {
 	type: 'itemStore';
 }
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/repository/item/item-repository-base.ts b/src/Umbraco.Web.UI.Client/src/packages/core/repository/item/item-repository-base.ts
index f7a3ca00bb..914d39403a 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/repository/item/item-repository-base.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/repository/item/item-repository-base.ts
@@ -7,7 +7,7 @@ import { UmbContextToken } from '@umbraco-cms/backoffice/context-api';
 
 export class UmbItemRepositoryBase<ItemType = any> extends UmbRepositoryBase implements UmbItemRepository<ItemType> {
 	protected _init: Promise<unknown>;
-	protected _itemStore?: UmbItemStore;
+	protected _itemStore?: UmbItemStore<any>;
 	#itemSource: UmbItemDataSource;
 
 	constructor(
@@ -19,7 +19,7 @@ export class UmbItemRepositoryBase<ItemType = any> extends UmbRepositoryBase imp
 		this.#itemSource = new itemSource(host);
 
 		this._init = this.consumeContext(itemStoreContextAlias, (instance) => {
-			this._itemStore = instance as UmbItemStore;
+			this._itemStore = instance as UmbItemStore<any>;
 		}).asPromise();
 	}