diff --git a/.gitea/workflows/buildah-check.yaml b/.gitea/workflows/buildah-check.yaml
index 5c2c6d9..2d23ece 100644
--- a/.gitea/workflows/buildah-check.yaml
+++ b/.gitea/workflows/buildah-check.yaml
@@ -22,4 +22,5 @@ jobs:
           
           # Buildah needs some storage configuration tweaks for running inside a container
           # We use the 'vfs' driver which is slow but works reliably inside containers without special privileges
-          buildah build --storage-driver=vfs -t test-image .
+          # We use '--isolation=chroot' to avoid cgroup permission issues inside the runner container
+          buildah build --storage-driver=vfs --isolation=chroot -t test-image .