diff --git a/domains/ffhb_batv15.conf b/domains/ffhb_batv15.conf
index d1bf288..6ab59d2 100644
--- a/domains/ffhb_batv15.conf
+++ b/domains/ffhb_batv15.conf
@@ -52,9 +52,9 @@
 				backbone = {
 					limit = 1,
 					peers = {
-						vpn01 = {
-							key = 'df444c4366880735d8101ec4e8bcd8288a7e617024c08f0f81027927ba794f9f',
-							remotes = {'"vpn01.batv15.bremen.freifunk.net" port 50000', '"vpn01.batv15.ffhb.de" port 50000'},
+						vpn04 = {
+							key = '8ef6aea3ab0716c26037f4a08c5606512bfec42dd035ad3505c92fded37e1740',
+							remotes = {'"vpn04.bremen.freifunk.net" port 50001', '"vpn04.ffhb.de" port 50001'},
 						},
 					},
 				},