From 1080a270082fb883859f992a2fe5b92bc9dc4d56 Mon Sep 17 00:00:00 2001
From: Giovanni Allegri <giohappy@gmail.com>
Date: Thu, 11 Jul 2019 10:59:13 +0200
Subject: [PATCH] use protocol-relative URL for CartoDB provider (#3938)

---
 web/client/utils/ConfigProvider.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/client/utils/ConfigProvider.js b/web/client/utils/ConfigProvider.js
index 7a7bb518a2..6c0d92e02e 100644
--- a/web/client/utils/ConfigProvider.js
+++ b/web/client/utils/ConfigProvider.js
@@ -485,7 +485,7 @@ const CONFIGPROVIDER = {
         }
     },
     CartoDB: {
-        url: 'http://{s}.basemaps.cartocdn.com/{variant}/{z}/{x}/{y}.png',
+        url: '//{s}.basemaps.cartocdn.com/{variant}/{z}/{x}/{y}.png',
         options: {
             attribution: '{attribution.OpenStreetMap} &copy; <a href="http://cartodb.com/attributions">CartoDB</a>',
             subdomains: ['a', 'b', 'c', 'd'],