diff --git a/move_site.sh b/move_site.sh
index 4196fc2..1bdc2a7 100644
--- a/move_site.sh
+++ b/move_site.sh
@@ -25,6 +25,8 @@ if [[ ! -z "$9" ]]; then
 		if [[ -z "$new_server_port" ]]; then
 			new_server_port="80";
 		fi
+	else
+		new_server_port="80";
 	fi
 fi
 domain_escape=`echo $domain|sed 's/\./\\\./g'`;
@@ -38,7 +40,7 @@ else
 	ssh_command="sshpass -p $pass ssh $user@$ip -p $port";
 	scp_command="sshpass -p $pass scp -r -P $port $user@$ip:";
 	scan_ssh_keys=`ssh-keyscan -H $ip -p $port`
-	if [ -z "$(grep -w "$scan_ssh_keys" ~/.ssh/known_hosts)" ]; then
+	if [[ ! -e ~/.ssh/known_hosts ]] || [[ -z "$(grep -w "$scan_ssh_keys" ~/.ssh/known_hosts)" ]]; then
 		echo "$scan_ssh_keys" >> ~/.ssh/known_hosts
 	fi
 	use_local_command=""
diff --git a/move_site_interactive.sh b/move_site_interactive.sh
index 15c17b7..dcf21ad 100644
--- a/move_site_interactive.sh
+++ b/move_site_interactive.sh
@@ -28,6 +28,8 @@ if [[ ! -z "$tmp" ]]; then
 		if [[ -z "$new_server_port" ]]; then
 			new_server_port="80";
 		fi
+	else
+		new_server_port="80";
 	fi
 fi
 tmp="";
@@ -42,7 +44,7 @@ else
 	ssh_command="sshpass -p $pass ssh $user@$ip -p $port";
 	scp_command="sshpass -p $pass scp -r -P $port $user@$ip:";
 	scan_ssh_keys=`ssh-keyscan -H $ip -p $port`
-	if [ -z "$(grep -w "$scan_ssh_keys" ~/.ssh/known_hosts)" ]; then
+	if [[ ! -e ~/.ssh/known_hosts ]] || [[ -z "$(grep -w "$scan_ssh_keys" ~/.ssh/known_hosts)" ]]; then
 		echo "$scan_ssh_keys" >> ~/.ssh/known_hosts
 	fi
 	use_local_command=""