diff --git a/vscode/package.json b/vscode/package.json
index 9bfba590..0c5ede99 100644
--- a/vscode/package.json
+++ b/vscode/package.json
@@ -27,7 +27,7 @@
     "optuna-dashboard"
   ],
   "activationEvents": [],
-  "browser": "./dist/web/extension.js",
+  "main": "./dist/web/extension.js",
   "contributes": {
     "commands": [
       {