diff --git a/deploy/kubernetes/atst-envvars-configmap.yml b/deploy/kubernetes/atst-envvars-configmap.yml
index 7e6df66c..06bdf0ee 100644
--- a/deploy/kubernetes/atst-envvars-configmap.yml
+++ b/deploy/kubernetes/atst-envvars-configmap.yml
@@ -5,5 +5,6 @@ metadata:
   name: atst-envvars
   namespace: atat
 data:
+  FLASK_ENV: prod
   OVERRIDE_CONFIG_FULLPATH: /opt/atat/atst-overrides.ini
   UWSGI_CONFIG_FULLPATH: /opt/atat/uwsgi-config.ini