diff --git a/packages/jupyterlab-lsp/src/features/completion/index.ts b/packages/jupyterlab-lsp/src/features/completion/index.ts
index 06ae22e77..05301087a 100644
--- a/packages/jupyterlab-lsp/src/features/completion/index.ts
+++ b/packages/jupyterlab-lsp/src/features/completion/index.ts
@@ -110,6 +110,7 @@ export const COMPLETION_PLUGIN: JupyterFrontEndPlugin<ICompletionFeature | null>
       IRenderMimeRegistry,
       ILSPDocumentConnectionManager
     ],
+    provides: ICompletionFeature,
     autoStart: true,
     activate: async (
       app: JupyterFrontEnd,