diff --git a/apps/dav/lib/CardDAV/PhotoCache.php b/apps/dav/lib/CardDAV/PhotoCache.php
index 7f9579a377f55..920282ac96e8f 100644
--- a/apps/dav/lib/CardDAV/PhotoCache.php
+++ b/apps/dav/lib/CardDAV/PhotoCache.php
@@ -26,6 +26,8 @@ class PhotoCache {
 		'image/jpeg' => 'jpg',
 		'image/gif' => 'gif',
 		'image/vnd.microsoft.icon' => 'ico',
+		'image/svg+xml' => 'svg',
+		'image/webp' => 'webp',
 	];
 
 	/**