diff --git a/packages/react-native/src/types/globals.d.ts b/packages/react-native/src/types/globals.d.ts
index 4082da352804..aa95a1420b57 100644
--- a/packages/react-native/src/types/globals.d.ts
+++ b/packages/react-native/src/types/globals.d.ts
@@ -667,7 +667,7 @@ declare global {
       | ((this: FileReader, ev: ProgressEvent<FileReader>) => any)
       | null;
     readonly readyState: number;
-    readonly result: string | ArrayBuffer;
+    readonly result: string | ArrayBuffer | null;
     abort(): void;
     readAsArrayBuffer(blob: Blob): void;
     readAsDataURL(blob: Blob): void;