diff --git a/packages/redux-devtools-app/src/middlewares/exportState.ts b/packages/redux-devtools-app/src/middlewares/exportState.ts
index 260de93b..83031613 100644
--- a/packages/redux-devtools-app/src/middlewares/exportState.ts
+++ b/packages/redux-devtools-app/src/middlewares/exportState.ts
@@ -41,7 +41,7 @@ export const exportStateMiddleware =
           JSON.stringify(
             {
               payload: request.payload,
-              preloadedState: (request as ExportRequest).committedState,
+              preloadedState: request.committedState,
             },
             null,
             '\t'