diff --git a/site-pre.yaml b/site-pre.yaml
index 640b86d..351cc2a 100644
--- a/site-pre.yaml
+++ b/site-pre.yaml
@@ -9,6 +9,7 @@
     pymail_password: "{{ smtp_pre_pwd }}"
     iam_host: https://accounts.pre.d4science.org
     pep: True
+    pep_replicas: 2
     pep_credentials: "{{ pre_pep_credentials }}"
     ha_network: True
     conductor_ui_secret: "{{ pre_conductor_ui_secret }}"