diff --git a/ailib/__init__.py b/ailib/__init__.py
index 6a4b840..836fa87 100644
--- a/ailib/__init__.py
+++ b/ailib/__init__.py
@@ -251,7 +251,8 @@ def set_default_values(self, overrides, existing=False, quiet=False):
             elif 'base_dns_domain' not in overrides:
                 warning("Using karmalabs.corp as DNS domain as no one was provided", quiet=quiet)
                 overrides['base_dns_domain'] = 'karmalabs.corp'
-        if 'sno' in overrides:
+        hosts_number = len(overrides.get('hosts', []))
+        if 'sno' in overrides or hosts_number == 1:
             if overrides['sno']:
                 overrides['high_availability_mode'] = "None"
                 overrides['user_managed_networking'] = True