diff --git a/ansible/group_vars/clickhouse/vars.yml b/ansible/group_vars/clickhouse/vars.yml
index 7de27f93..5666cedd 100644
--- a/ansible/group_vars/clickhouse/vars.yml
+++ b/ansible/group_vars/clickhouse/vars.yml
@@ -94,11 +94,11 @@ clickhouse_keeper:
     hostname: clickhouse1.prod.ooni.io
     port: 9234
 
-  #- keeper_server:
-  #  server: data2.htz-fsn.prod.ooni.nu
-  #  id: 2
-  #  hostname: clickhouse2.prod.ooni.io
-  #  port: 9234
+  - keeper_server:
+    server: data2.htz-fsn.prod.ooni.nu
+    id: 2
+    hostname: clickhouse2.prod.ooni.io
+    port: 9234
 
   - keeper_server:
     server: data3.htz-fsn.prod.ooni.nu
@@ -116,9 +116,9 @@ clickhouse_zookeeper:
   - node:
     host: clickhouse1.prod.ooni.io
     port: 9181
-#  - node:
-#    host: clickhouse2.prod.ooni.io
-#    port: 9181
+  - node:
+    host: clickhouse2.prod.ooni.io
+    port: 9181
   - node:
     host: clickhouse3.prod.ooni.io
     port: 9181