diff --git a/inventory/group_vars/os b/inventory/group_vars/os
index c2897f8658..92656a93d5 100644
--- a/inventory/group_vars/os
+++ b/inventory/group_vars/os
@@ -2,3 +2,4 @@
 host_group: os
 baseiptables: False
 no_http2: True
+nm_controlled_resolv: True
diff --git a/inventory/group_vars/os-stg b/inventory/group_vars/os-stg
index c2897f8658..92656a93d5 100644
--- a/inventory/group_vars/os-stg
+++ b/inventory/group_vars/os-stg
@@ -2,3 +2,4 @@
 host_group: os
 baseiptables: False
 no_http2: True
+nm_controlled_resolv: True