From 651b5fc1c3fe8f8cbf9e3d756a2e1b35250a5c52 Mon Sep 17 00:00:00 2001
From: Thomas Reynolds <me@tdreyno.com>
Date: Mon, 11 May 2015 09:24:22 -0700
Subject: [PATCH] Merge old patch to address #1430

---
 middleman-core/lib/middleman-core/preview_server.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/middleman-core/lib/middleman-core/preview_server.rb b/middleman-core/lib/middleman-core/preview_server.rb
index 068c9334..27152706 100644
--- a/middleman-core/lib/middleman-core/preview_server.rb
+++ b/middleman-core/lib/middleman-core/preview_server.rb
@@ -81,6 +81,10 @@ module Middleman
         end
 
         unmount_instance
+
+        @webrick.shutdown
+        @webrick = nil
+
         mount_instance(app)
 
         logger.info '== The Middleman has reloaded'