diff --git a/.gitea/actions/deploy-obs/action.yml b/.gitea/actions/deploy-obs/action.yml
index 97d2f2a8..59a90f37 100644
--- a/.gitea/actions/deploy-obs/action.yml
+++ b/.gitea/actions/deploy-obs/action.yml
@@ -53,6 +53,7 @@ runs:
         POSTGRES_PASSWORD: ${{ inputs.postgres_password }}
         POSTGRES_HOST: ${{ inputs.postgres_host }}
       run: |
+        set -euo pipefail
         rm -rf /opt/familienarchiv/infra/observability
         mkdir -p /opt/familienarchiv/infra/observability
         cp -r infra/observability/. /opt/familienarchiv/infra/observability/