diff --git a/roles/ansible-ansible-openshift-ansible/templates/cluster-inventory.j2 b/roles/ansible-ansible-openshift-ansible/templates/cluster-inventory.j2
index b5a0c9d558..c889f3332c 100644
--- a/roles/ansible-ansible-openshift-ansible/templates/cluster-inventory.j2
+++ b/roles/ansible-ansible-openshift-ansible/templates/cluster-inventory.j2
@@ -761,9 +761,11 @@ openshift_master_console_port={{openshift_console_port}}
 # each OpenShift service: node, master (api and controllers).
 # API and controllers environment variables are merged in single
 # master environments.
-#openshift_master_api_env_vars={"ENABLE_HTTP2": "true"}
-#openshift_master_controllers_env_vars={"ENABLE_HTTP2": "true"}
-#openshift_node_env_vars={"ENABLE_HTTP2": "true"}
+{% if defined no_http2 and no_http2 %}
+openshift_master_api_env_vars={"ENABLE_HTTP2": "true"}
+openshift_master_controllers_env_vars={"ENABLE_HTTP2": "true"}
+openshift_node_env_vars={"ENABLE_HTTP2": "true"}
+{% endif %}
 
 # Enable API service auditing, available as of 3.2
 #openshift_master_audit_config={"enabled": true}