diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 36fc186..2c57d84 100755
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -6,7 +6,13 @@ on:
 
 jobs:
   build-and-design:
-    runs-on: ubuntu-latest
+    # `host`, not `ubuntu-latest`. A containerized job on this act_runner dies
+    # during setup with `mkdirat var/run/act: path escapes from parent` — the
+    # runner extracts its payload to /var/run/act, and /var/run is a symlink to
+    # /run in the Debian/Ubuntu job images, which Docker's archive extractor
+    # refuses to write through. See #6. ui-kit ships no image and deploys
+    # nothing, so there is nothing to isolate; the job just needs Node + repo.
+    runs-on: host
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4