From e6cfc584d07ca5ab9606432c0a4a9fe01b7be2ab Mon Sep 17 00:00:00 2001
From: Joffrey JAFFEUX <j.jaffeux@gmail.com>
Date: Wed, 8 May 2019 17:27:09 +0200
Subject: [PATCH] Revert "FIX: frozen string exception (#7506)"

This reverts commit c4b7fb2754555bb2b68113897271535e0f9aff58.
---
 app/models/incoming_domain.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/incoming_domain.rb b/app/models/incoming_domain.rb
index 5584689caf1..07fac926d72 100644
--- a/app/models/incoming_domain.rb
+++ b/app/models/incoming_domain.rb
@@ -24,7 +24,7 @@ class IncomingDomain < ActiveRecord::Base
     url = "http#{https ? "s" : ""}://#{name}"
 
     if https && port != 443 || !https && port != 80
-      url += ":#{port}"
+      url << ":#{port}"
     end
 
     url