diff --git a/dotnet/Vaas/src/Vaas/Vaas.cs b/dotnet/Vaas/src/Vaas/Vaas.cs
index da9d001a..aad03e92 100644
--- a/dotnet/Vaas/src/Vaas/Vaas.cs
+++ b/dotnet/Vaas/src/Vaas/Vaas.cs
@@ -350,7 +350,7 @@ protected virtual void Dispose(bool disposing)
     {
         if (!disposing) return;
 
-        AuthenticatedClient.Dispose();
+        _client?.Dispose();
         _httpClient.Dispose();
     }