diff --git a/Linux_reinstall/Ubuntu/CloudInit/ipv4_static_interfaces.cfg b/Linux_reinstall/Ubuntu/CloudInit/ipv4_static_interfaces.cfg
index 33f2b83..126bb93 100644
--- a/Linux_reinstall/Ubuntu/CloudInit/ipv4_static_interfaces.cfg
+++ b/Linux_reinstall/Ubuntu/CloudInit/ipv4_static_interfaces.cfg
@@ -39,12 +39,10 @@ network:
   ethernets:
     eth0:
       dhcp4: false
-      addresses:
-        - IPv4/ipPrefix
+      addresses: [IPv4/ipPrefix]
       gateway4: GATE
       nameservers:
         addresses: [ipDNS1, ipDNS2]
-      dhcp6: true
 
 # later commands
 runcmd: