diff --git a/roles/debian/gitlab/tasks/main.yml b/roles/debian/gitlab/tasks/main.yml
index 17975ed07..eaa07bab5 100644
--- a/roles/debian/gitlab/tasks/main.yml
+++ b/roles/debian/gitlab/tasks/main.yml
@@ -27,6 +27,7 @@
         overwrite: true
       delegate_to: localhost
       become: false
+      when: gitlab.mattermost
 
 - name: Add GitLab repository and key.
   ansible.builtin.include_role: