diff --git a/apps/files_sharing/appinfo/update.php b/apps/files_sharing/appinfo/update.php
index bc17915613cd1d071f0f35d438c5851f13f3f4fb..fc547ba349df17fa15503abb55495e03d8f5e9bc 100644
--- a/apps/files_sharing/appinfo/update.php
+++ b/apps/files_sharing/appinfo/update.php
@@ -21,7 +21,7 @@ if (version_compare($installedVersion, '0.3.5.6', '<')) {
  * should only be able to unshare single files but never to delete them.
  */
 function updateFilePermissions($chunkSize = 99) {
-	$query = OCP\DB::prepare('SELECT * FROM `*PREFIX*share` WHERE item_type = ?');
+	$query = OCP\DB::prepare('SELECT * FROM `*PREFIX*share` WHERE `item_type` = ?');
 	$result = $query->execute(array('file'));
 
 	$updatedRows = array();