diff --git a/apps/files_sharing/lib/Controller/ShareAPIController.php b/apps/files_sharing/lib/Controller/ShareAPIController.php
index c57a738457..8f65c1c559 100644
--- a/apps/files_sharing/lib/Controller/ShareAPIController.php
+++ b/apps/files_sharing/lib/Controller/ShareAPIController.php
@@ -700,6 +700,7 @@ class ShareAPIController extends OCSController {
 
 			if ($permissions !== null) {
 				$newPermissions = (int)$permissions;
+				$newPermissions = $newPermissions & ~\OCP\Constants::PERMISSION_SHARE;
 			}
 
 			if ($newPermissions !== null &&