diff --git a/config/net/c3d2.nix b/config/net/c3d2.nix
index 2878222..616a369 100644
--- a/config/net/c3d2.nix
+++ b/config/net/c3d2.nix
@@ -37,7 +37,7 @@
         "moleflap.hq.c3d2.de" = "aa:00:0d:b1:6c:67";
         "monit.hq.c3d2.de" = "00:23:ae:94:e7:19";
         "public-access-proxy.hq.c3d2.de" = "12:24:5f:bd:9b:e7";
-        "pulsebert.hq.c3d2.de" = "b8:27:eb:16:31:61";
+        "pulsebert.hq.c3d2.de" = "50:9a:4c:1f:5f:04";
         "ruststripe1.hq.c3d2.de" = "06:32:0e:39:21:69";
         "schalter.hq.c3d2.de" = "b8:27:eb:4c:be:ff";
         "semanta.hq.c3d2.de" = "00:ff:e4:bb:ea:2a";