diff --git a/files/gitlab-cookbooks/gitlab/libraries/gitlab_mattermost.rb b/files/gitlab-cookbooks/gitlab/libraries/gitlab_mattermost.rb
index 88a9d0c9c7234cb9ffafdb50d33aa8875d5d3ef8_ZmlsZXMvZ2l0bGFiLWNvb2tib29rcy9naXRsYWIvbGlicmFyaWVzL2dpdGxhYl9tYXR0ZXJtb3N0LnJi..d308ed693c9540971b9d880fcc7242c4ebcac875_ZmlsZXMvZ2l0bGFiLWNvb2tib29rcy9naXRsYWIvbGlicmFyaWVzL2dpdGxhYl9tYXR0ZXJtb3N0LnJi 100644
--- a/files/gitlab-cookbooks/gitlab/libraries/gitlab_mattermost.rb
+++ b/files/gitlab-cookbooks/gitlab/libraries/gitlab_mattermost.rb
@@ -97,6 +97,7 @@
          env
          host
          port
+         svlogd_prefix
          service_site_url
          service_address
          service_port