diff --git a/nix/lib/config/legacy.nix b/nix/lib/config/legacy.nix
index eee1a1a..55c8577 100644
--- a/nix/lib/config/legacy.nix
+++ b/nix/lib/config/legacy.nix
@@ -96,7 +96,7 @@ in
           "ruststripe1.hq.c3d2.de" = "06:32:0e:39:21:69";
           "fhem.hq.c3d2.de" = "b8:27:eb:9e:8b:db";
           "glotzbert.hq.c3d2.de" = "ec:a8:6b:fe:b4:cb";
-          "pulsebert.hq.c3d2.de" = "dc:a6:32:31:b6:32";
+          "pulsebert.hq.c3d2.de" = "b8:27:eb:16:31:61";
           "public-access-proxy.hq.c3d2.de" = "12:24:5f:bd:9b:e7";
           "marenz-build.hq.c3d2.de" = "44:1e:a1:59:2e:e8";
           "ledbeere.hq.c3d2.de" = "b8:27:eb:60:99:59";