diff --git a/lib/open_telemetry_decorator.ex b/lib/open_telemetry_decorator.ex
index eedfe27..1c959e8 100644
--- a/lib/open_telemetry_decorator.ex
+++ b/lib/open_telemetry_decorator.ex
@@ -91,7 +91,7 @@ defmodule OpenTelemetryDecorator do
 
         :exit, {:shutdown, reason} ->
           O11y.set_attributes(
-            [exit: :shutdown, shutdown_reason: inspect(reason)],
+            [exit: :shutdown, shutdown_reason: reason],
             namespace: prefix
           )
 
diff --git a/test/open_telemetry_decorator_test.exs b/test/open_telemetry_decorator_test.exs
index cbbda17..47a750d 100644
--- a/test/open_telemetry_decorator_test.exs
+++ b/test/open_telemetry_decorator_test.exs
@@ -286,7 +286,7 @@ defmodule OpenTelemetryDecoratorTest do
 
       assert span.attributes == %{
                "app.exit" => :shutdown,
-               "app.shutdown_reason" => "%{just: :chillin}"
+               "app.shutdown_reason.just" => :chillin
              }
     end