diff --git a/extensions/vscode-api-tests/package.json b/extensions/vscode-api-tests/package.json
index 8ac6b2806ca..c6fec9f7fb2 100644
--- a/extensions/vscode-api-tests/package.json
+++ b/extensions/vscode-api-tests/package.json
@@ -10,7 +10,7 @@
 		"onFileSystem:memfs",
 		"onDebug"
 	],
-	"main": "./out/extension",
+	"main": "./out/web-playground/extension",
 	"engines": {
 		"vscode": "^1.25.0"
 	},
diff --git a/extensions/vscode-api-tests/src/extension.ts b/extensions/vscode-api-tests/src/web-playground/extension.ts
similarity index 100%
rename from extensions/vscode-api-tests/src/extension.ts
rename to extensions/vscode-api-tests/src/web-playground/extension.ts