diff --git a/server/server.js b/server/server.js
index 0508f092..294cb78a 100644
--- a/server/server.js
+++ b/server/server.js
@@ -94,7 +94,7 @@ app.get('/download/:id', (req, res) => {
       .length(id)
       .then(contentLength => {
         res.render('download', {
-          filename: decodeURI(filename),
+          filename: decodeURIComponent(filename),
           filesize: bytes(contentLength),
           trackerId: conf.analytics_id,
           dsn: conf.sentry_id