diff --git a/scripts/WindowsZones.csx b/scripts/WindowsZones.csx
index a8f4c92c9..ccd8bf4c9 100644
--- a/scripts/WindowsZones.csx
+++ b/scripts/WindowsZones.csx
@@ -33,9 +33,10 @@ using System.Collections.Generic;
 
 string tzid, windows;
 const string file = @"WindowsZones.txt";
+const string zonesUrl = @"http://www.unicode.org/repos/cldr/tags/latest/common/supplemental/windowsZones.xml";
 List<string> list = new List<string>();
 StreamWriter stream = new StreamWriter(file, false);
-XmlTextReader reader = new XmlTextReader(@"windowsZones.xml");
+XmlTextReader reader = new XmlTextReader(zonesUrl);
 
 stream.WriteLine("struct _WINDOWS_TZID_ENTRY");
 stream.WriteLine("{");