diff --git a/config/x86_64/server-demo.toml b/config/x86_64/server-demo.toml
index 53c3d177..252d226e 100644
--- a/config/x86_64/server-demo.toml
+++ b/config/x86_64/server-demo.toml
@@ -248,8 +248,7 @@ path = "/root/keygen.sh"
 data = """
 #!/usr/bin/env bash
 
-if [ ! -f /etc/ssh/ssh_host_dsa_key ]; then
-ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N ""
+if [ ! -f /etc/ssh/ssh_host_rsa_key ]; then
 ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N ""
 ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -N ""
 ssh-keygen -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -N ""