diff --git a/script/setup-app b/script/setup-app
index bc38dfe..d172601 100755
--- a/script/setup-app
+++ b/script/setup-app
@@ -51,8 +51,8 @@ EOS
         if websocket
             file.write <<-EOS
 
-    location #{websocket}/ {
-      proxy_pass http://localhost:#{mapping['port']}#{websocket}/;
+    location #{websocket} {
+      proxy_pass http://localhost:#{mapping['port']}#{websocket};
       proxy_http_version 1.1;
       proxy_set_header Upgrade $http_upgrade;
       proxy_set_header Connection "upgrade";