diff --git a/.forgejo/workflows/process_subways.yml b/.forgejo/workflows/process_subways.yml
index 4c1532b06..c59de037d 100644
--- a/.forgejo/workflows/process_subways.yml
+++ b/.forgejo/workflows/process_subways.yml
@@ -158,6 +158,7 @@ jobs:
         shell: bash
         run: |
           cd ~/subways
+          export HTML_DIR=/mnt/4tbexternal/osm-planet/subway/validator
           if [ -f "$HTML_DIR/cities.txt" ]; then
             echo "Comparing local validation with VK's validation..."
             python3 ./scripts/compare_html_validation.py "$HTML_DIR/cities.txt" \