diff --git a/repertory/repertory_test/src/json_serialize_test.cpp b/repertory/repertory_test/src/json_serialize_test.cpp
index 21c63e90..873a5858 100644
--- a/repertory/repertory_test/src/json_serialize_test.cpp
+++ b/repertory/repertory_test/src/json_serialize_test.cpp
@@ -52,19 +52,26 @@ TEST(json_serialize_test, can_handle_directory_item) {
 }
 
 TEST(json_serialize_test, can_handle_encrypt_config) {
+  auto kdf_cfg = utils::encryption::kdf_config{};
+  kdf_cfg.seal();
+
   encrypt_config cfg{
       .encryption_token = "token",
+      .kdf_cfg = kdf_cfg,
       .path = "path",
   };
 
   json data(cfg);
   EXPECT_STREQ("token",
                data.at(JSON_ENCRYPTION_TOKEN).get<std::string>().c_str());
+  EXPECT_STREQ(utils::collection::to_hex_string(kdf_cfg.to_header()).c_str(),
+               data.at(JSON_PATH).get<std::string>().c_str());
   EXPECT_STREQ("path", data.at(JSON_PATH).get<std::string>().c_str());
 
   {
     auto cfg2 = data.get<encrypt_config>();
     EXPECT_STREQ(cfg2.encryption_token.c_str(), cfg.encryption_token.c_str());
+    EXPECT_EQ(cfg2.kdf_cfg, cfg.kdf_cfg);
     EXPECT_STREQ(cfg2.path.c_str(), cfg.path.c_str());
   }
 }