diff --git a/configurations/laptop/configuration.nix b/configurations/laptop/configuration.nix
index 3b1e4765..37f240f2 100644
--- a/configurations/laptop/configuration.nix
+++ b/configurations/laptop/configuration.nix
@@ -32,11 +32,12 @@
     knownHosts = {
       cspark-desktop-nixremotebuilder = {
         extraHostNames = [ "cspark-nixos-desktop" "192.168.1.110" ];
-        publicKeyFile = ./resources/nixos/.ssh/cspark-desktop-nixremotebuilder.pub;
+        publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJWWfMZhdSKiUZZU1Pl7Hp6+BKHhWswLNmngLDzzMsGl";
       };
     };
     extraConfig = ''
     Host cspark-desktop-nixremotebuilder
+        Hostname 192.168.1.110
         IdentitiesOnly yes
         IdentityFile /root/.ssh/cspark-desktop-nixremotebuilder
         # The weakly privileged user on the remote builder – if not set, 'root' is used – which will hopefully fail