diff --git a/zshenv b/zshenv
index 54a32d4..bf9123b 100644
--- a/zshenv
+++ b/zshenv
@@ -105,3 +105,5 @@ fi
 ## Specify ssh-agent socket path
 SSH_AGENT_SOCK="${HOME}/.ssh/socks/ssh_auth"
 SSH_AGENT_ENV="${HOME}/.ssh/socks/ssh_agent_env"
+## ssh-keys path
+SSH_ED25519_KEY="${HOME}/.ssh/id_ed25519"
diff --git a/zshrc b/zshrc
index 0d907a2..45f5c0d 100644
--- a/zshrc
+++ b/zshrc
@@ -335,6 +335,16 @@ function load-ssh-agent() {
 	source "${SSH_AGENT_ENV}"
 }
 # }}}
+# Add ed25519 ssh-key to ssh-agent {{{
+function load-ssh-ed25519() {
+	# If a ED25519 ssh-key is available
+	#   AND not already loaded in ssh-agent
+	if [ -f "${SSH_ED25519_KEY}" ] &&
+	   ! ssh-add -l | grep -qi -- "(ed25519)"; then
+		ssh-add "${SSH_ED25519_KEY}"
+	fi
+}
+# }}}
 # Clear old entries in known_hosts {{{
 function clearsshkey() {
 	sed -i "${1}d" ~/.ssh/known_hosts