diff --git a/stacks/scriberr/compose.yaml b/stacks/scriberr/compose.yaml
index eb40a0c..2fd44cb 100644
--- a/stacks/scriberr/compose.yaml
+++ b/stacks/scriberr/compose.yaml
@@ -63,6 +63,13 @@ services:
       # reached by host IP. Keep this in sync with how the app is reached.
       - ALLOWED_ORIGINS=${SCRIBERR_ALLOWED_ORIGINS}
       - NVIDIA_DRIVER_CAPABILITIES=compute,utility
+      # Scriberr builds each model backend's Python env with `uv` at runtime.
+      # uv's default link mode reflink/hardlinks out of its cache, which fails
+      # on this overlayfs+ZFS combination with a misleading
+      #   "Failed to clone ... Resource temporarily unavailable (os error 11)"
+      # and takes out the Parakeet + Sortformer backends (WhisperX survives).
+      # `copy` trades a little disk and time for it actually working.
+      - UV_LINK_MODE=${SCRIBERR_UV_LINK_MODE:-copy}
     deploy:
       resources:
         reservations: