diff --git a/Dockerfile b/Dockerfile
index 06326882456a9965f376e2deffcd09c81e9bfce0..ee761c23557dcc65ba1fa5ad42cc2f7232c842fe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,6 +26,7 @@ RUN DATABASE_URL=postgres://x/x \
     DEFAULT_CONTRACTEE_ZIP=x \
     DEFAULT_CONTRACTEE_DISTRICT=x \
     DEFAULT_CONTRACTEE_ICO_NUMBER=x \
+    DEFAULT_STAFF_GROUP=x \
     python manage.py collectstatic --noinput --settings=registry.settings.production
 
 RUN bash -c "adduser --disabled-login --quiet --gecos app app &&  \