diff --git a/scripts/create.sh b/scripts/create.sh
index c4f68b0..cd68e58 100644
--- a/scripts/create.sh
+++ b/scripts/create.sh
@@ -60,10 +60,9 @@ echo ""
 
 read -p "Is this correct (y/n)? " v;if [ "$v" != "y" ];then "Exiting, restart to reenter info"; exit;fi
 
-dhcp_opts+=" -m $mac"
-if [ -n $subnet ]; then dhcp_opts=" -s $subnet";fi
+dhcp_opts=" -m $mac"
+if [ -n $subnet ]; then dhcp_opts+=" -s $subnet";fi
 if [ -n $ip ]; then dhcp_opts+=" -i $ip";fi
-dhcp_opts+=" -m $mac"
 
 lname=`echo $name | tr '[:upper:]' '[:lower:]'`
 
@@ -155,7 +154,7 @@ echo "server up, waiting for ssh"
 sleep 30
 
 ssh-keygen -R ${lname}.actcur.com
-ssh-keyscan ${lname}.actcur.com | grep -v "#" | grep "ecdsa-sha2-nistp256" >> ~/.ssh/known_hosts
+ssh-keyscan ${lname}.actcur.com | grep -v "#" | grep "ssh-ed25519 " >> ~/.ssh/known_hosts
 
 # install some dependencies
 case "$variant" in