diff --git a/types/chartist/index.d.ts b/types/chartist/index.d.ts
index 58db5e64ff..a4fb2c832d 100644
--- a/types/chartist/index.d.ts
+++ b/types/chartist/index.d.ts
@@ -519,7 +519,7 @@ declare namespace Chartist {
 
 
     interface ChartistSvgStatic {
-        new (name: HTMLElement | string, attributes: Object, className?: string, parent?: Object, insertFirst?: boolean): IChartistSvg;
+        new (name?: HTMLElement | string, attributes?: Object, className?: string, parent?: Object, insertFirst?: boolean): IChartistSvg;
 
         Easing: ChartistEasingStatic;