diff --git a/src/typedCharts.ts b/src/typedCharts.ts
index c8a4cbc7..60e94cfd 100644
--- a/src/typedCharts.ts
+++ b/src/typedCharts.ts
@@ -55,7 +55,7 @@ export function createTypedChart<
   }) as any
 }
 
-interface ExtendedDataPoint {
+export interface ExtendedDataPoint {
   [key: string]: string | number | null | ExtendedDataPoint
 }