diff --git a/hieradata/roles/infra/git/runner.yaml b/hieradata/roles/infra/git/runner.yaml
index 6e40d6a..f94954f 100644
--- a/hieradata/roles/infra/git/runner.yaml
+++ b/hieradata/roles/infra/git/runner.yaml
@@ -5,6 +5,7 @@ hiera_include:
 
 docker::version: latest
 docker::curl_ensure: false
+docker::root_dir: /data/docker
 
 profiles::gitea::runner::home: /data/runner
 profiles::gitea::runner::version: '0.2.10'