diff --git a/stdiet-ui/src/utils/websocket.js b/stdiet-ui/src/utils/websocket.js
index 93ef5146a..94a85698b 100644
--- a/stdiet-ui/src/utils/websocket.js
+++ b/stdiet-ui/src/utils/websocket.js
@@ -1,7 +1,7 @@
 const { protocol, hostname, origin, port } = window.location;
 const wsProtocol = protocol.startsWith("https") ? "wss" : "ws";
 const url = `${wsProtocol}://${hostname}${
-  hostname === "localhost" ? `:${8091}` : ""
+  hostname === "localhost" ? ":8091" : ""
 }/ws`;
 let ws = undefined;
 let intervalRef = undefined;