diff --git a/packages/autocomplete-js/src/types/index.ts b/packages/autocomplete-js/src/types/index.ts
index bdcf6d6f4..bc3fa4483 100644
--- a/packages/autocomplete-js/src/types/index.ts
+++ b/packages/autocomplete-js/src/types/index.ts
@@ -62,7 +62,7 @@ export interface AutocompleteOptions<TItem>
    * You can either pass a [CSS selector](https://developer.mozilla.org/docs/Web/CSS/CSS_Selectors) or an [Element](https://developer.mozilla.org/docs/Web/API/HTMLElement). The first element matching the provided selector will be used as container.
    */
   container: string | HTMLElement;
-  getSources: GetSources<TItem>;
+  getSources?: GetSources<TItem>;
   /**
    * The panel horizontal position.
    *