diff --git a/apps/files_sharing/lib/Capabilities.php b/apps/files_sharing/lib/Capabilities.php
index 1f4219ed1a5..1f491216abe 100644
--- a/apps/files_sharing/lib/Capabilities.php
+++ b/apps/files_sharing/lib/Capabilities.php
@@ -55,6 +55,7 @@ class Capabilities implements ICapability {
 	 *             send_mail?: bool,
 	 *             upload?: bool,
 	 *             upload_files_drop?: bool,
+	 *             custom_tokens?: bool,
 	 *         },
 	 *         user: array{
 	 *             send_mail: bool,
@@ -136,6 +137,7 @@ class Capabilities implements ICapability {
 				$public['send_mail'] = $this->config->getAppValue('core', 'shareapi_allow_public_notification', 'no') === 'yes';
 				$public['upload'] = $this->shareManager->shareApiLinkAllowPublicUpload();
 				$public['upload_files_drop'] = $public['upload'];
+				$public['custom_tokens'] = $this->shareManager->allowCustomTokens();
 			}
 			$res['public'] = $public;