diff --git a/attn/attn_logging.cpp b/attn/attn_logging.cpp
index db14a92..f2873da 100644
--- a/attn/attn_logging.cpp
+++ b/attn/attn_logging.cpp
@@ -484,11 +484,12 @@
     auto userData = createFFDCFiles(i_tiInfoData, tiInfoSize);
 
     // Per request from the Hostboot team. Add a level 2 callout.
-    userData.emplace_back(util::FFDCFormat::Custom, 0xCA, 0x01);
+    userData.emplace_back(util::FFDCFormat::JSON, 0xCA, 0x01);
     std::ofstream o{userData.back().getPath()};
     o << nlohmann::json::parse(R"(
         [ { "Procedure": "next_level_support", "Priority": "L" } ]
     )");
+    o.close();
 
     event(EventType::Terminate, i_additionalData, userData);
 }