diff --git a/apps/sharebymail/lib/ShareByMailProvider.php b/apps/sharebymail/lib/ShareByMailProvider.php
index 46e381d331..a332bd13d8 100644
--- a/apps/sharebymail/lib/ShareByMailProvider.php
+++ b/apps/sharebymail/lib/ShareByMailProvider.php
@@ -22,6 +22,7 @@
 namespace OCA\ShareByMail;
 
 use OC\HintException;
+use OC\Share20\Exception\InvalidShare;
 use OCP\Files\Folder;
 use OCP\Files\IRootFolder;
 use OCP\Files\Node;