diff --git a/packages/test-utils/package.json b/packages/test-utils/package.json
index 8399889922..75855a7c2a 100644
--- a/packages/test-utils/package.json
+++ b/packages/test-utils/package.json
@@ -28,7 +28,7 @@
   ],
   "exports": {
     "./adapter": {
-      "dev-source": "./src/adapter.ts",
+      "dev-source": "./src/adapter/index.ts",
       "default": "./dist/adapter.mjs",
       "types": "./dist/adapter.d.mts"
     }