diff --git a/packages/react-native/Libraries/WebSocket/WebSocketEvent.js b/packages/react-native/Libraries/WebSocket/WebSocketEvent.js
index ae1f72e9eac..14703a8a90d 100644
--- a/packages/react-native/Libraries/WebSocket/WebSocketEvent.js
+++ b/packages/react-native/Libraries/WebSocket/WebSocketEvent.js
@@ -21,7 +21,7 @@
 class WebSocketEvent {
   type: string;
 
-  constructor(type: string, eventInitDict: $FlowFixMe) {
+  constructor(type: string, eventInitDict: ?{...}) {
     this.type = type.toString();
     Object.assign(this, eventInitDict);
   }
diff --git a/packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap b/packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap
index 85a4f1c8cd2..174bdb7abb1 100644
--- a/packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap
+++ b/packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap
@@ -9485,7 +9485,7 @@ declare module.exports: WebSocket;
 exports[`public API should not change unintentionally Libraries/WebSocket/WebSocketEvent.js 1`] = `
 "declare class WebSocketEvent {
   type: string;
-  constructor(type: string, eventInitDict: $FlowFixMe): void;
+  constructor(type: string, eventInitDict: ?{ ... }): void;
 }
 declare module.exports: WebSocketEvent;
 "