diff --git a/packages/docprovider/src/yprovider.ts b/packages/docprovider/src/yprovider.ts
index 4061ebeb..af390009 100644
--- a/packages/docprovider/src/yprovider.ts
+++ b/packages/docprovider/src/yprovider.ts
@@ -97,6 +97,8 @@ export class WebSocketProvider implements IDocumentProvider {
       this._contentType,
       this._path
     );
+    const state = this._sharedModel.ydoc.getMap('state');
+    state.set('file_id', session.fileId);
 
     this._yWebsocketProvider = new YWebsocketProvider(
       this._serverUrl,