diff --git a/main.go b/main.go
index c479f4c..1719a99 100644
--- a/main.go
+++ b/main.go
@@ -40,7 +40,7 @@ func main() {
 
 
   addr := os.Getenv("RAILWAY_STATIC_URL")
-  if err := client.ListenAndServe(addr); err != nil {
+  if err := client.ListenAndServe(fmt.Sprintf("%s:80", addr)); err != nil {
     panic(err)
   }