diff --git a/packages/rocketchat-sandstorm/server/lib.js b/packages/rocketchat-sandstorm/server/lib.js
index 05da70dd321..19266694616 100644
--- a/packages/rocketchat-sandstorm/server/lib.js
+++ b/packages/rocketchat-sandstorm/server/lib.js
@@ -1,4 +1,4 @@
-/* globals getHttpBridge, waitPromise */
+/* globals getHttpBridge, waitPromise, UploadFS */
 /* exported getHttpBridge, waitPromise */
 
 RocketChat.Sandstorm = {};
@@ -31,7 +31,7 @@ if (process.env.SANDSTORM === '1') {
 
 	// This usual implementation of this method returns an absolute URL that is invalid
 	// under Sandstorm.
-	UploadFS.Store.prototype.getURL = function (path) {
+	UploadFS.Store.prototype.getURL = function(path) {
 		return this.getRelativeURL(path);
 	};
 }