diff --git a/inc/DAVResource.php b/inc/DAVResource.php
index dcb45078..c2bb783f 100644
--- a/inc/DAVResource.php
+++ b/inc/DAVResource.php
@@ -1932,7 +1932,7 @@ EOQRY;
 
       case 'urn:ietf:params:xml:ns:carddav:supported-address-data':
         if ( ! $this->_is_collection || !$this->_is_addressbook ) return false;
-        $address_data = $reply->NewXMLElement( 'address-data', false,
+        $address_data = $reply->NewXMLElement( 'address-data-type', false,
                       array( 'content-type' => 'text/vcard', 'version' => '3.0'), 'urn:ietf:params:xml:ns:carddav');
         $reply->NSElement($prop, $tag, $address_data );
         break;
diff --git a/testing/tests/regression-suite/2801-iPhone-shared-addresses.result b/testing/tests/regression-suite/2801-iPhone-shared-addresses.result
index be6afe76..e43ceb50 100644
--- a/testing/tests/regression-suite/2801-iPhone-shared-addresses.result
+++ b/testing/tests/regression-suite/2801-iPhone-shared-addresses.result
@@ -3,8 +3,8 @@ Date: Dow, 01 Jan 2000 00:00:00 GMT
 Content-Location: /caldav.php/user1/addresses/
 DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, bind, addressbook, calendar-auto-schedule, calendar-proxy
-ETag: "43765875e20eef2d841725645b2f3c95"
-Content-Length: 1129
+ETag: "f73a50af58b7d84d6f3546091e757d47"
+Content-Length: 1134
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
@@ -40,7 +40,7 @@ Content-Type: text/xml; charset="utf-8"
     </current-user-principal>
     <C:max-resource-size>6550000</C:max-resource-size>
     <C:supported-address-data>
-     <C:address-data content-type="text/vcard" version="3.0"/>
+     <C:address-data-type content-type="text/vcard" version="3.0"/>
     </C:supported-address-data>
    </prop>
    <status>HTTP/1.1 200 OK</status>
diff --git a/testing/tests/regression-suite/2802-correct-shared-addresses.result b/testing/tests/regression-suite/2802-correct-shared-addresses.result
index 15aaaaf8..fa75c2d6 100644
--- a/testing/tests/regression-suite/2802-correct-shared-addresses.result
+++ b/testing/tests/regression-suite/2802-correct-shared-addresses.result
@@ -3,8 +3,8 @@ Date: Dow, 01 Jan 2000 00:00:00 GMT
 Content-Location: /caldav.php/user1/addresses/
 DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, bind, addressbook, calendar-auto-schedule, calendar-proxy
-ETag: "3f9506c10fe5b434f966d4c82f026c40"
-Content-Length: 1129
+ETag: "98016787585c5b1e8136e5f58fba5b7f"
+Content-Length: 1134
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
@@ -40,7 +40,7 @@ Content-Type: text/xml; charset="utf-8"
     </current-user-principal>
     <C:max-resource-size>6550000</C:max-resource-size>
     <C:supported-address-data>
-     <C:address-data content-type="text/vcard" version="3.0"/>
+     <C:address-data-type content-type="text/vcard" version="3.0"/>
     </C:supported-address-data>
    </prop>
    <status>HTTP/1.1 200 OK</status>