diff --git a/site.conf b/site.conf
index 18e1825cef0709deeaf285e60d45ba063b04f85f..8655d29d86594546128afc8a74c8abe8c258ce67 100644
--- a/site.conf
+++ b/site.conf
@@ -10,7 +10,7 @@
         ntp_servers = {
             '172.21.24.129', 'fd21:b4dc:4b1e::a38:1', -- gluongw
         },
-        opkg_repo = 'http://172.21.24.129/gluon/stable/%S/packages',
+        opkg_repo = 'http://[fd21:b4dc:4b1e::a38:1]/gluon/stable/%S/packages',
         regdom = 'DE',
 
         wifi24 = {