diff --git a/inventory/group_vars/wiki b/inventory/group_vars/wiki
index 0dc61061f9..f32aae17ff 100644
--- a/inventory/group_vars/wiki
+++ b/inventory/group_vars/wiki
@@ -10,6 +10,16 @@ num_cpus: 2
 tcp_ports: [ 80 ]
 fas_client_groups: sysadmin-noc,fi-apprentice
 
+# mediawiki variables
 wikiname: "fp"
 wikipath: "wiki"
 wpath: "w"
+
+# These are consumed by a task in roles/fedmsg/base/main.yml
+fedmsg_certs:
+- service: shell
+  owner: root
+  group: sysadmin
+- service: mediawiki
+  owner: root
+  group: apache
diff --git a/inventory/group_vars/wiki-stg b/inventory/group_vars/wiki-stg
index 0dc61061f9..f32aae17ff 100644
--- a/inventory/group_vars/wiki-stg
+++ b/inventory/group_vars/wiki-stg
@@ -10,6 +10,16 @@ num_cpus: 2
 tcp_ports: [ 80 ]
 fas_client_groups: sysadmin-noc,fi-apprentice
 
+# mediawiki variables
 wikiname: "fp"
 wikipath: "wiki"
 wpath: "w"
+
+# These are consumed by a task in roles/fedmsg/base/main.yml
+fedmsg_certs:
+- service: shell
+  owner: root
+  group: sysadmin
+- service: mediawiki
+  owner: root
+  group: apache