diff --git a/confetti-box/web/request.js b/confetti-box/web/request.js
index 6136435..aa8f177 100644
--- a/confetti-box/web/request.js
+++ b/confetti-box/web/request.js
@@ -218,7 +218,7 @@ async function uploadFileWebsocket(file, duration, maxSize) {
         new_uri = "ws:";
     }
     new_uri += "//" + loc.host;
-    new_uri += "/upload/websocket?name=" + file.name +"&size=" + file.size + "&duration=" + parseInt(duration);
+    new_uri += "/upload/websocket?name=" + encodeURIComponent(file.name) +"&size=" + file.size + "&duration=" + parseInt(duration);
     const socket = new WebSocket(new_uri);
     socket.binaryType = "arraybuffer";