freedesktop.org.xml.in |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/freedesktop.org.xml.in b/freedesktop.org.xml.in
index b1a2724..581cceb 100644
--- a/freedesktop.org.xml.in
+++ b/freedesktop.org.xml.in
@@ -2104,6 +2104,12 @@ command to generate the output files.
       <match type="string" value="mBIN" offset="102"/>
     </magic>
   </mime-type>
+  <mime-type type="application/x-mallard+xml">
+    <_comment>Mallard document</_comment>
+    <sub-class-of type="application/xml"/>
+    <root-XML namespaceURI="http://projectmallard.org/1.0/" localName="page"/>
+    <glob pattern="*.mallard"/>
+  </mime-type>
   <mime-type type="application/x-matroska">
     <_comment>Matroska stream</_comment>
     <magic priority="50">