diff --git a/inventory/group_vars/os b/inventory/group_vars/os
index 53196a3e9e..c2897f8658 100644
--- a/inventory/group_vars/os
+++ b/inventory/group_vars/os
@@ -1,3 +1,4 @@
 ---
 host_group: os
 baseiptables: False
+no_http2: True
diff --git a/inventory/group_vars/os-stg b/inventory/group_vars/os-stg
index 53196a3e9e..c2897f8658 100644
--- a/inventory/group_vars/os-stg
+++ b/inventory/group_vars/os-stg
@@ -1,3 +1,4 @@
 ---
 host_group: os
 baseiptables: False
+no_http2: True