diff --git a/src/fb-stubs/LayoutInspectorSidebarExtensions.js b/src/fb-stubs/LayoutInspectorSidebarExtensions.tsx
similarity index 100%
rename from src/fb-stubs/LayoutInspectorSidebarExtensions.js
rename to src/fb-stubs/LayoutInspectorSidebarExtensions.tsx
diff --git a/src/index.js b/src/index.js
index d0ca5ff7e..47b3be701 100644
--- a/src/index.js
+++ b/src/index.js
@@ -30,7 +30,7 @@ export type {Store, MiddlewareAPI} from './reducers/index.tsx';
 
 export {
   default as SidebarExtensions,
-} from './fb-stubs/LayoutInspectorSidebarExtensions.js';
+} from './fb-stubs/LayoutInspectorSidebarExtensions.tsx';
 export {
   DeviceLogListener,
   DeviceLogEntry,