diff --git a/.forgejo/workflows/test.yml b/.forgejo/workflows/test.yml
index 30ec645..91882b2 100644
--- a/.forgejo/workflows/test.yml
+++ b/.forgejo/workflows/test.yml
@@ -12,11 +12,17 @@ jobs:
       - name: Download OSM data
         run: curl -o luxembourg-latest.osm.pbf https://download.geofabrik.de/europe/luxembourg-latest.osm.pbf
 
+      - name: Convert OSM data to .osm
+        run: |
+          apt update && \
+          apt install -y osmctools && \
+          osmconvert luxembourg-latest.osm.pbf -o=luxembourg-latest.osm
+
       - name: Run Shape Generation
         uses: gtfs-actions/generate-shapes@main
         with:
           gtfs_file: sample-feed.zip
-          osm_file: luxembourg-latest.osm.pbf
+          osm_file: luxembourg-latest.osm
           mot: bus
           output_file: modified-feed.zip