diff --git a/src/queries.ts b/src/queries.ts
index 5b514a7..595677b 100644
--- a/src/queries.ts
+++ b/src/queries.ts
@@ -268,7 +268,7 @@ function launchWorker(mod: Module): [Worker, Err] {
   const moduleKey = deriveChildKey(activeKey, path);
   const msgData: presentKeyData = {
     key: moduleKey,
-    rootKey: activeKey,
+    rootPrivateKey: activeKey,
   };
   const msg: moduleQuery = {
     method: "presentKey",