diff --git a/taicpp/src/glue/app_bundle.cpp b/taicpp/src/glue/app_bundle.cpp
index 9e9989d..ea0d967 100644
--- a/taicpp/src/glue/app_bundle.cpp
+++ b/taicpp/src/glue/app_bundle.cpp
@@ -1,3 +1,4 @@
+#include "../seal/seal_factory.h"
 #include "app_bundle.h"
 #include <cstdlib>
 #include <filesystem>
@@ -33,6 +34,7 @@ std::unique_ptr<AppBundle> AppBundle::open(const BundleOptions& o) {
   boot.persist = o.persist;
   boot.mode = o.mode;
   boot.version = o.version;
+  boot.seal_factory = seal::SealFactory::maker();
   // The conversation builds its system message from the same catalogs the agent uses.
   SkillsAdapter* skills = &b->skills_;
   boot.catalogs.skill_catalog = [skills] {