diff --git a/middleman-core/fixtures/csspie/config.rb b/middleman-core/fixtures/csspie/config.rb
new file mode 100644
index 00000000..e69de29b
diff --git a/middleman-core/fixtures/csspie/source/stylesheets/PIE.htc b/middleman-core/fixtures/csspie/source/stylesheets/PIE.htc
new file mode 100644
index 00000000..00b63838
--- /dev/null
+++ b/middleman-core/fixtures/csspie/source/stylesheets/PIE.htc
@@ -0,0 +1,96 @@
+<!--
+PIE: CSS3 rendering for IE
+Version 1.0beta5
+http://css3pie.com
+Dual-licensed for use under the Apache License Version 2.0 or the General Public License (GPL) Version 2.
+-->
+<PUBLIC:COMPONENT lightWeight="true">
+<!-- saved from url=(0014)about:internet -->
+<PUBLIC:ATTACH EVENT="oncontentready" FOR="element" ONEVENT="init()" />
+<PUBLIC:ATTACH EVENT="ondocumentready" FOR="element" ONEVENT="init()" />
+<PUBLIC:ATTACH EVENT="ondetach" FOR="element" ONEVENT="cleanup()" />
+
+<script type="text/javascript">
+var doc = element.document;var f=window.PIE;
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diff --git a/middleman-core/lib/middleman-core/core_extensions/request.rb b/middleman-core/lib/middleman-core/core_extensions/request.rb
index 33eabf7f..9344212b 100644
--- a/middleman-core/lib/middleman-core/core_extensions/request.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/request.rb
@@ -11,6 +11,9 @@ module Middleman
           # Built on Rack
           require "rack"
           require "rack/file"
+          
+          # CSSPIE HTC File
+          ::Rack::Mime::MIME_TYPES['.html'] = 'text/x-component'
 
           # Let's serve all HTML as UTF-8
           ::Rack::Mime::MIME_TYPES['.html'] = 'text/html;charset=utf8'