diff --git a/app/views/templates/provisioning/user_data/proxmox_user_data.erb b/app/views/templates/provisioning/user_data/proxmox_user_data.erb
index 936f4dacb..04bdcc5b1 100644
--- a/app/views/templates/provisioning/user_data/proxmox_user_data.erb
+++ b/app/views/templates/provisioning/user_data/proxmox_user_data.erb
@@ -110,7 +110,7 @@ ethernets:
     addresses:
       - <%= @host.ip %>/<%= @host.subnet.cidr %>
     routes:
-      - to: 0.0.0.0
+      - to: 0.0.0.0/0
         via: <%= @host.subnet.gateway %>
     nameservers:
       addresses: