diff --git a/inventory/group_vars/openqa_stg b/inventory/group_vars/openqa_stg
index bb2f68cd45..ae72f6e344 100644
--- a/inventory/group_vars/openqa_stg
+++ b/inventory/group_vars/openqa_stg
@@ -40,6 +40,11 @@ wikitcms_token: "{{ private }}/files/openidc/staging/wikitcms.json"
 openqa_wikitcms_hostname: stg.fedoraproject.org
 openqa_resultsdb_url: http://resultsdb-stg01.qa.fedoraproject.org/resultsdb_api/api/v2.0/
 
+# FIXME: disable consumers that write to wiki until auth key
+# is working again:
+# https://pagure.io/fedora-infrastructure/issue/8381
+openqa_amqp_wiki_reporter_queue:
+
 deployment_type: stg
 freezes: false
 
diff --git a/roles/openqa/dispatcher/tasks/main.yml b/roles/openqa/dispatcher/tasks/main.yml
index 33f4f0d5a8..0ebf13c550 100644
--- a/roles/openqa/dispatcher/tasks/main.yml
+++ b/roles/openqa/dispatcher/tasks/main.yml
@@ -348,15 +348,15 @@
 
 - name: Enable and start fedora-messaging scheduler service
   service: name=fm-consumer@fedora_openqa_scheduler enabled=yes state=started
-  when: "openqa_amqp_scheduler_queue is defined"
+  when: "openqa_amqp_scheduler_queue is defined and openqa_amqp_scheduler_queue"
 
 - name: Enable and start fedora-messaging wiki reporter service
   service: name=fm-consumer@fedora_openqa_wiki_reporter enabled=yes state=started
-  when: "openqa_amqp_wiki_reporter_queue is defined"
+  when: "openqa_amqp_wiki_reporter_queue is defined and openqa_amqp_wiki_reporter_queue"
 
 - name: Enable and start fedora-messaging ResultsDB reporter service
   service: name=fm-consumer@fedora_openqa_resultsdb_reporter enabled=yes state=started
-  when: "openqa_amqp_resultsdb_reporter_queue is defined"
+  when: "openqa_amqp_resultsdb_reporter_queue is defined and openqa_amqp_resultsdb_reporter_queue"
 
 - name: Set up cron job to schedule live-respins jobs
   copy: src=schedule-live-respins.cron dest=/etc/cron.hourly/schedule-live-respins owner=root group=root mode=0755