diff --git a/configs/nixos/hosts/neogaia/ssh_user_ed25519_key.pub b/configs/nixos/hosts/neogaia/ssh_user_ed25519_key.pub
new file mode 100644
index 0000000..93c84ad
--- /dev/null
+++ b/configs/nixos/hosts/neogaia/ssh_user_ed25519_key.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGxQ4kWsBo2OGYIPOkFe0vNEcB3yoJwAu0y9wrdQzALE alexion@neogaia
diff --git a/configs/nixos/hosts/pikachu/ssh_user_ed25519_key.pub b/configs/nixos/hosts/pikachu/ssh_user_ed25519_key.pub
new file mode 100644
index 0000000..dcbcbb3
--- /dev/null
+++ b/configs/nixos/hosts/pikachu/ssh_user_ed25519_key.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINNqJIC6VRXyvrNf3n9su9KdPCikC3CjK/QrCK2reHdB alexion@pikachu
diff --git a/configs/nixos/hosts/zeus/ssh_user_ed25519_key.pub b/configs/nixos/hosts/zeus/ssh_user_ed25519_key.pub
new file mode 100644
index 0000000..16b5499
--- /dev/null
+++ b/configs/nixos/hosts/zeus/ssh_user_ed25519_key.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIRBcHHuubptXCdvED/p2dR3MpjGN/AimqLasLY5984G alexion@zeus
diff --git a/configs/nixos/modules/network/ssh.nix b/configs/nixos/modules/network/ssh.nix
index 69c68b3..21de18e 100644
--- a/configs/nixos/modules/network/ssh.nix
+++ b/configs/nixos/modules/network/ssh.nix
@@ -37,22 +37,23 @@ let
 
     neogaia = {
       hostName = registry.address.neogaia.self;
-      clientKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGxQ4kWsBo2OGYIPOkFe0vNEcB3yoJwAu0y9wrdQzALE alexion@neogaia";
+      clientKey = clientKeyFor "neogaia";
       hostKeys = hostKeysFor "neogaia";
     };
 
     zeus = {
       hostName = registry.address.zeus.self;
-      clientKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIRBcHHuubptXCdvED/p2dR3MpjGN/AimqLasLY5984G alexion@zeus";
+      clientKey = clientKeyFor "zeus";
       hostKeys = hostKeysFor "zeus";
     };
 
     pikachu = {
       hostName = registry.address.pikachu.self;
-      clientKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINNqJIC6VRXyvrNf3n9su9KdPCikC3CjK/QrCK2reHdB alexion@pikachu";
+      clientKey = clientKeyFor "pikachu";
       hostKeys = hostKeysFor "pikachu";
     };
   };
+  clientKeyFor = host: builtins.readFile (../../hosts + "/${host}/ssh_user_ed25519_key.pub");
   hostKeysFor =
     host:
     map builtins.readFile [