diff --git a/packages/orbit-components/src/Modal/types.d.ts b/packages/orbit-components/src/Modal/types.d.ts
index f0ce15b5fe..cccfdbef5c 100644
--- a/packages/orbit-components/src/Modal/types.d.ts
+++ b/packages/orbit-components/src/Modal/types.d.ts
@@ -18,7 +18,7 @@ export interface Props extends Common.Globals {
     | React.SyntheticEvent<HTMLButtonElement | HTMLDivElement | HTMLAnchorElement>
   >;
   readonly fixedFooter?: boolean;
-  readonly onScroll?: Common.Event<React.SyntheticEvent<HTMLDivElement>>;
+  readonly onScroll?: Common.Event<React.UIEvent<HTMLDivElement>>;
   readonly mobileHeader?: boolean;
   readonly isMobileFullPage?: boolean;
   readonly preventOverlayClose?: boolean;