diff --git a/include/functions b/include/functions
index fe38de03..bd91ca14 100644
--- a/include/functions
+++ b/include/functions
@@ -583,7 +583,7 @@
         if [ "${HOSTID}" = "" ]; then
             logtext "Result: no HOSTID available, trying to use SSH key as unique source"
             # Create host ID when a MAC address was not found
-            SSH_KEY_FILES="ssh_host_ecdsa_key ssh_host_ecdsa_key.pub ssh_host_dsa_key ssh_host_dsa_key.pub ssh_host_rsa_key ssh_host_rsa_key.pub"
+            SSH_KEY_FILES="ssh_host_ed25519_key ssh_host_ed25519_key.pub ssh_host_ecdsa_key ssh_host_ecdsa_key.pub ssh_host_dsa_key ssh_host_dsa_key.pub ssh_host_rsa_key ssh_host_rsa_key.pub"
             if [ -d /etc/ssh ]; then
                 for I in ${SSH_KEY_FILES}; do
                     if [ "${HOSTID}" = "" ]; then