diff --git a/.gitea/workflows/validate_schema.yml b/.gitea/workflows/validate_schema.yml
index 1913588..ca7679c 100644
--- a/.gitea/workflows/validate_schema.yml
+++ b/.gitea/workflows/validate_schema.yml
@@ -17,4 +17,4 @@ jobs:
       uses: docker://git.hydrar.de/mdtools/mdtools:latest
       with:
         entrypoint: /bin/bash
-        args: "-c 'ls -1 /; ls -1'"
+        args: scripts/validate_schema.sh