diff --git a/apps/dav/lib/carddav/plugin.php b/apps/dav/lib/carddav/plugin.php
index d94dce1db0e5..e02cc5686b8e 100644
--- a/apps/dav/lib/carddav/plugin.php
+++ b/apps/dav/lib/carddav/plugin.php
@@ -46,6 +46,10 @@ protected function getAddressbookHomeForPrincipal($principal) {
 			list(, $principalId) = URLUtil::splitPath($principal);
 			return self::ADDRESSBOOK_ROOT . '/users/' . $principalId;
 		}
+		if (strrpos($principal, 'principals/groups', -strlen($principal)) !== false) {
+			list(, $principalId) = URLUtil::splitPath($principal);
+			return self::ADDRESSBOOK_ROOT . '/groups/' . $principalId;
+		}
 		if (strrpos($principal, 'principals/system', -strlen($principal)) !== false) {
 			list(, $principalId) = URLUtil::splitPath($principal);
 			return self::ADDRESSBOOK_ROOT . '/system/' . $principalId;
diff --git a/apps/dav/lib/connector/sabre/davaclplugin.php b/apps/dav/lib/connector/sabre/davaclplugin.php
index 4a9dd66161d9..f5699b469c36 100644
--- a/apps/dav/lib/connector/sabre/davaclplugin.php
+++ b/apps/dav/lib/connector/sabre/davaclplugin.php
@@ -46,7 +46,7 @@ public function __construct() {
 
 	function checkPrivileges($uri, $privileges, $recursion = self::R_PARENT, $throwExceptions = true) {
 		$access = parent::checkPrivileges($uri, $privileges, $recursion, false);
-		if($access === false) {
+		if($access === false && $throwExceptions) {
 			/** @var INode $node */
 			$node = $this->server->tree->getNodeForPath($uri);