diff --git a/dropbear/localoptions.h b/dropbear/localoptions.h
index 40bbdda..6a9519d 100644
--- a/dropbear/localoptions.h
+++ b/dropbear/localoptions.h
@@ -12,6 +12,7 @@
 #define DSS_PRIV_FILENAME conf_path_file("dropbear_dss_host_key")
 #define RSA_PRIV_FILENAME conf_path_file("dropbear_rsa_host_key")
 #define ECDSA_PRIV_FILENAME conf_path_file("dropbear_ecdsa_host_key")
+#define ED25519_PRIV_FILENAME conf_path_file("dropbear_ed25519_host_key")
 
 /* Set NON_INETD_MODE if you require daemon functionality (ie Dropbear listens
  * on chosen ports and keeps accepting connections. This is the default.