--- freedesktop.org.xml.in.old	2008-06-25 00:16:35.000000000 -0700
+++ freedesktop.org.xml.in	2008-06-25 00:48:06.000000000 -0700
@@ -1847,6 +1847,11 @@
       <match type="little32" value="0xe011cfd0" offset="0"/>
     </magic>
   </mime-type>
+  <mime-type type="application/x-msi">
+    <_comment>Windows Installer package</_comment>
+    <sub-class-of type="application/x-ole-storage"/>
+    <glob pattern="*.msi"/>
+  </mime-type>
   <mime-type type="application/x-oleo">
     <_comment>GNU Oleo spreadsheet</_comment>
     <magic priority="50">