diff --git a/server.js b/server.js
index d1bf1a6ea..bd1fb1fd5 100644
--- a/server.js
+++ b/server.js
@@ -1535,8 +1535,8 @@ app.post("/delchat", jsonParser, function (request, response) {
 app.post('/renamebackground', jsonParser, function (request, response) {
     if (!request.body) return response.sendStatus(400);
 
-    const oldFileName = path.join('public/backgrounds/', sanitize(request.body.old_bg));
-    const newFileName = path.join('public/backgrounds/', sanitize(request.body.new_bg));
+    const oldFileName = path.join(DIRECTORIES.backgrounds, sanitize(request.body.old_bg));
+    const newFileName = path.join(DIRECTORIES.backgrounds, sanitize(request.body.new_bg));
 
     if (!fs.existsSync(oldFileName)) {
         console.log('BG file not found');