--- freedesktop.org.xml.in
+++ freedesktop.org.xml.in
@@ -3776,6 +3776,11 @@
     <expanded-acronym>Qt Meta Object Compiler</expanded-acronym>
     <glob pattern="*.moc"/>
   </mime-type>
+  <mime-type type="text/x-mof">
+    <sub-class-of type="text/x-csrc"/>
+    <_comment>Managed Object Format</_comment>
+    <glob pattern="*.mof"/>
+  </mime-type>
   <mime-type type="text/x-mup">
     <sub-class-of type="text/plain"/>
     <_comment>Mup publication</_comment>