diff --git a/homes/aarch64-darwin/harald@m4/default.nix b/homes/aarch64-darwin/harald@m4/default.nix
index 467fabd..c6a3652 100644
--- a/homes/aarch64-darwin/harald@m4/default.nix
+++ b/homes/aarch64-darwin/harald@m4/default.nix
@@ -11,6 +11,13 @@
     stateVersion = "23.11"; # Please read the comment before changing.
   };
 
+
+  programs.ssh.extraConfig = ''
+    UseKeychain yes
+    AddKeysToAgent yes
+    IdentityFile ~/.ssh/id_ed25519
+  '';
+
   metacfg = {
     cli-apps = {
       bash.enable = true;