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-rw-r--r--actions/foaf.php4
1 files changed, 3 insertions, 1 deletions
diff --git a/actions/foaf.php b/actions/foaf.php
index 9cb65a885..2f054de0c 100644
--- a/actions/foaf.php
+++ b/actions/foaf.php
@@ -95,7 +95,9 @@ class FoafAction extends Action
// Would be nice to tell if they were a Person or not (e.g. a #person usertag?)
$this->elementStart('Agent', array('rdf:about' =>
$this->user->uri));
- $this->element('mbox_sha1sum', null, sha1('mailto:' . $this->user->email));
+ if ($this->user->email) {
+ $this->element('mbox_sha1sum', null, sha1('mailto:' . $this->user->email));
+ }
if ($this->profile->fullname) {
$this->element('name', null, $this->profile->fullname);
}