diff --git a/datastore/sharedds.nim b/datastore/sharedds.nim
index b720be7..573e7e3 100644
--- a/datastore/sharedds.nim
+++ b/datastore/sharedds.nim
@@ -75,14 +75,14 @@ method close*(
   # TODO: how to handle failed close?
   return success()
 
-func newSharedDataStore*(
+proc newSharedDataStore*(
   # T: typedesc[SharedDatastore],
   backend: ThreadBackend,
 ): ?!SharedDatastore =
 
   var
     self = SharedDatastore()
-    res = newThreadResult(ThreadDatastore)
+    res = newThreadResult(ThreadDatastorePtr)
   
   res[].signal = newSignal()
   res.createThreadDatastore(backend)
diff --git a/datastore/threadbackend.nim b/datastore/threadbackend.nim
index fcc1677..f9438a0 100644
--- a/datastore/threadbackend.nim
+++ b/datastore/threadbackend.nim
@@ -51,7 +51,7 @@ type
 
   ThreadDatastorePtr* = SharedPtr[ThreadDatastore]
 
-proc newThreadResult*[T](tp: typedesc[TResult[T]]): TResult[T] =
+proc newThreadResult*[T](tp: typedesc[T]): UniquePtr[ThreadResult[T]] =
   newUniquePtr(ThreadResult[T])
 
 proc startupDatastore(