diff --git a/agent/lib/proxmox_agent/application.ex b/agent/lib/proxmox_agent/application.ex
index 264129f..f5c0345 100644
--- a/agent/lib/proxmox_agent/application.ex
+++ b/agent/lib/proxmox_agent/application.ex
@@ -9,7 +9,9 @@ defmodule ProxmoxAgent.Application do
       case load_config() do
         {:ok, cfg} ->
           Logger.info("agent: starting with host_id=#{cfg.host_id}")
-          [{ProxmoxAgent.Reporter, cfg}]
+          :ok = ProxmoxAgent.Diagnostics.configure(cfg.dump_dir)
+          diagnostics_children(ProxmoxAgent.Diagnostics.dump_dir()) ++
+            [{ProxmoxAgent.Reporter, cfg}]
 
         {:error, reason} ->
           Logger.error("agent: no config loaded (#{inspect(reason)}); running in idle mode")
@@ -19,6 +21,9 @@ defmodule ProxmoxAgent.Application do
     Supervisor.start_link(children, strategy: :one_for_one, name: ProxmoxAgent.Supervisor)
   end
 
+  defp diagnostics_children(nil), do: []
+  defp diagnostics_children(dir), do: [{ProxmoxAgent.Diagnostics.Writer, [dir: dir]}]
+
   defp load_config do
     path =
       System.get_env("AGENT_CONFIG") ||