diff --git a/packages/turf-voronoi/index.d.ts b/packages/turf-voronoi/index.d.ts
index ed756838d2..f33c2b6b0f 100644
--- a/packages/turf-voronoi/index.d.ts
+++ b/packages/turf-voronoi/index.d.ts
@@ -5,5 +5,5 @@ import { FeatureCollection, BBox, Point, Polygon } from '@turf/helpers';
  */
 export default function voronoi(
     points: FeatureCollection<Point>,
-    bbox: BBox
+    options: {bbox: BBox}
 ): FeatureCollection<Polygon>;