diff --git a/lib/pinchflat_web/controllers/settings/diagnostics_html.ex b/lib/pinchflat_web/controllers/settings/diagnostics_html.ex
index 26025ef..d40432a 100644
--- a/lib/pinchflat_web/controllers/settings/diagnostics_html.ex
+++ b/lib/pinchflat_web/controllers/settings/diagnostics_html.ex
@@ -40,8 +40,7 @@ defmodule PinchflatWeb.Settings.DiagnosticsHTML do
     |> Atom.to_string()
     |> String.replace("_", " ")
     |> String.split(" ")
-    |> Enum.map(&String.capitalize/1)
-    |> Enum.join(" ")
+    |> Enum.map_join(" ", &String.capitalize/1)
   end
 
   def format_datetime(nil), do: "-"