diff --git a/bundlewrap/nodes/encoder23.toml b/bundlewrap/nodes/encoder23.toml
index df0e3686..cc6596fa 100644
--- a/bundlewrap/nodes/encoder23.toml
+++ b/bundlewrap/nodes/encoder23.toml
@@ -22,6 +22,12 @@ room_name = "CCCB"
 ips = ["10.73.23.3/16"]
 gateway4 = "10.73.0.254"
 
+[metadata.users.voc]
+ssh_pubkeys = [
+    # mixer23 is not managed by c3voc
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJEnvStfXkSUbWG8EV5yasIOvHtUVTy6MlhhGGJR/ILe voc@mixer23",
+]
+
 [metadata.voctocore]
 streaming_auth_key = "!decrypt:encrypt$gAAAAABkNYlFsu6DijyYdXA0ND56Q8IqoZ9Q3YCfqpIfcKJXvxdgD2mlKLgsQi_7Kj99leU2f1Qk-sw-gOWpYy6fob7Wj9pUJfzD60ubwLy88tLW8VJlPcM="