diff --git a/lib/mobvious/manager.rb b/lib/mobvious/manager.rb
index b15c04f..0635fe7 100644
--- a/lib/mobvious/manager.rb
+++ b/lib/mobvious/manager.rb
@@ -24,7 +24,7 @@ def call(env)
 
       status, headers, body = @app.call(env)
 
-      response = (body.is_a?(Rack::Response) ? body : Rack::Response.new(body, status, headers))
+      response = (body.is_a?(Array) ? Rack::Response.new(body, status, headers) : body)
       response_callback(request, response)
 
       [status, headers, body]