diff --git a/packages/server-shared/package.json b/packages/server-shared/package.json
index 400840442..b20b010f5 100644
--- a/packages/server-shared/package.json
+++ b/packages/server-shared/package.json
@@ -16,12 +16,12 @@
   },
   "exports": {
     "./types": {
-      "types": "./dist/types/index.d.mts",
-      "default": "./dist/types/index.mjs"
+      "types": "./dist/types/index.d.ts",
+      "default": "./dist/types/index.js"
     }
   },
-  "main": "./dist/types/index.mjs",
-  "types": "./dist/types/index.d.mts",
+  "main": "./dist/types/index.js",
+  "types": "./dist/types/index.d.ts",
   "files": [
     "README.md",
     "dist",
diff --git a/packages/server-shared/tsdown.config.ts b/packages/server-shared/tsdown.config.ts
index 55a4c150d..9fc144155 100644
--- a/packages/server-shared/tsdown.config.ts
+++ b/packages/server-shared/tsdown.config.ts
@@ -6,5 +6,4 @@ export default defineConfig({
   },
   sourcemap: true,
   unused: true,
-  fixedExtension: true,
 })