diff --git a/core/ajax/share.php b/core/ajax/share.php
index b875c631cd40..270cba75b748 100644
--- a/core/ajax/share.php
+++ b/core/ajax/share.php
@@ -172,7 +172,7 @@ function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
 				'link' => $_POST['link'],
 				'file' => $_POST['file'],
 				'toAddress' => $_POST['toAddress'],
-				'expiration' => $_POST['expiration'],
+				'expirationDate' => $_POST['expiration'],
 				'personalNote' => $emailBody
 			]);