diff --git a/.gitea/workflows/validate_schema.yml b/.gitea/workflows/validate_schema.yml
index 4705e04..e5862ae 100644
--- a/.gitea/workflows/validate_schema.yml
+++ b/.gitea/workflows/validate_schema.yml
@@ -15,6 +15,8 @@ jobs:
 
     - name: Validation
       uses: docker://git.hydrar.de/mdtools/mdtools:latest
-      run: |
-        cd /gitea/workspace
-        bash scripts/validate_schema.json
+      with:
+        entrypoint: /bin/bash
+        args: |
+          cd /gitea/workspace
+          bash scripts/validate_schema.json