diff --git a/types/helpers/helpers.dom.d.ts b/types/helpers/helpers.dom.d.ts
index ba438d60892..1c34aa9754b 100644
--- a/types/helpers/helpers.dom.d.ts
+++ b/types/helpers/helpers.dom.d.ts
@@ -1,6 +1,8 @@
+import { ChartEvent } from '../index.esm';
+
 export function getMaximumSize(node: HTMLElement, width?: number, height?: number, aspectRatio?: number): { width: number, height: number };
 export function getRelativePosition(
-	evt: MouseEvent,
+	evt: MouseEvent | ChartEvent,
 	chart: { readonly canvas: HTMLCanvasElement }
 ): { x: number; y: number };
 export function getStyle(el: HTMLElement, property: string): string;