diff --git a/plugins/libkolab/lib/kolab_storage_cache_contact.php b/plugins/libkolab/lib/kolab_storage_cache_contact.php
index 29276ec3..d526a0e7 100644
--- a/plugins/libkolab/lib/kolab_storage_cache_contact.php
+++ b/plugins/libkolab/lib/kolab_storage_cache_contact.php
@@ -26,8 +26,8 @@ class kolab_storage_cache_contact extends kolab_storage_cache
     protected $extra_cols = array('type','name','firstname','surname','email');
     protected $binary_items = array(
         'photo'          => '|<photo><uri>[^;]+;base64,([^<]+)</uri></photo>|i',
-        'pgppublickey'   => '|<key><uri>date:application/pgp-keys;base64,([^<]+)</uri></key>|i',
-        'pkcs7publickey' => '|<key><uri>date:application/pkcs7-mime;base64,([^<]+)</uri></key>|i',
+        'pgppublickey'   => '|<key><uri>data:application/pgp-keys;base64,([^<]+)</uri></key>|i',
+        'pkcs7publickey' => '|<key><uri>data:application/pkcs7-mime;base64,([^<]+)</uri></key>|i',
     );
 
     /**