diff --git a/src/types/geometric.d.ts b/src/types/geometric.d.ts
index 9df01f16487..e48ce1c23d3 100644
--- a/src/types/geometric.d.ts
+++ b/src/types/geometric.d.ts
@@ -8,8 +8,8 @@ export interface ChartArea {
 }
 
 export interface Point {
-  x: number;
-  y: number;
+  x: number | null;
+  y: number | null;
 }
 
 export type TRBL = {