diff --git a/mutter.doap b/mutter.doap
index 5302544d3..25c23acbb 100644
--- a/mutter.doap
+++ b/mutter.doap
@@ -18,14 +18,14 @@
   <maintainer>
     <foaf:Person>
       <foaf:name>Tomas Frydrych</foaf:name>
-      <foaf:mbox rdf:resource="tf@linux.intel.com" />
+      <foaf:mbox rdf:resource="mailto:tf@linux.intel.com" />
       <gnome:userid>tomasf</gnome:userid>
     </foaf:Person>
   </maintainer>
   <maintainer>
     <foaf:Person>
       <foaf:name>Owen Taylor</foaf:name>
-      <foaf:mbox rdf:resource="otaylor@redhat.com" />
+      <foaf:mbox rdf:resource="mailto:otaylor@redhat.com" />
       <gnome:userid>otaylor</gnome:userid>
     </foaf:Person>
   </maintainer>