diff --git a/main.go b/main.go
index fc51c97..3aa1716 100644
--- a/main.go
+++ b/main.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"log"
 	"net/http"
+	"os"
 	"strconv"
 
 	"itsc/db"
@@ -385,5 +386,5 @@ func main() {
 	})
 
 	log.Println("Started")
-	r.Run(":8081")
+	r.Run(os.Getenv("ITSC_LISTEN"))
 }