diff --git a/public/arf.json b/public/arf.json
index ed3638c0..2e8efa01 100644
--- a/public/arf.json
+++ b/public/arf.json
@@ -4011,7 +4011,7 @@
       {
         "name": "SunCalc",
         "type": "url",
-        "url": "http://suncalc.net/"
+        "url": "http://suncalc.org/"
       }],
       "name": "Geolocation Tools",
       "type": "folder"