diff --git a/src/plugin-sdk/root-alias.cjs b/src/plugin-sdk/root-alias.cjs
index 12d98caf8a8..9f3ab45379f 100644
--- a/src/plugin-sdk/root-alias.cjs
+++ b/src/plugin-sdk/root-alias.cjs
@@ -169,9 +169,8 @@ rootExports = new Proxy(target, {
   },
   ownKeys() {
     const keys = new Set(Reflect.ownKeys(target));
-    const monolithic = getMonolithicSdk();
-    if (monolithic) {
-      for (const key of Reflect.ownKeys(monolithic)) {
+    if (monolithicSdk && typeof monolithicSdk === "object") {
+      for (const key of Reflect.ownKeys(monolithicSdk)) {
         if (!keys.has(key)) {
           keys.add(key);
         }